Update to 41.0 Build 1

1 files changed, 0 insertions, 941 deletions

diff --git a/mozilla-1127752.patch b/mozilla-1127752.patch
deleted file mode 100644
index e188a70..0000000
--- a/mozilla-1127752.patch
+++ /dev/null
@@ -1,941 +0,0 @@
-diff -up firefox-40.0/mozilla-release/gfx/2d/BorrowedContext.h.1127752 firefox-40.0/mozilla-release/gfx/2d/BorrowedContext.h
---- firefox-40.0/mozilla-release/gfx/2d/BorrowedContext.h.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/gfx/2d/BorrowedContext.h	2015-08-26 14:07:24.666087911 +0200
-@@ -8,6 +8,11 @@
- 
- #include "2D.h"
- 
-+#ifdef MOZ_X11
-+#include <X11/extensions/Xrender.h>
-+#include <X11/Xlib.h>
-+#endif
-+
- struct _cairo;
- typedef struct _cairo cairo_t;
- 
-@@ -69,6 +74,69 @@ private:
-   DrawTarget *mDT;
- };
- 
-+#ifdef MOZ_X11
-+/* This is a helper class that let's you borrow an Xlib drawable from
-+ * a DrawTarget. This is used for drawing themed widgets.
-+ *
-+ * Callers should check the Xlib drawable after constructing the object
-+ * to see if it succeeded. The DrawTarget should not be used while
-+ * the drawable is borrowed. */
-+class BorrowedXlibDrawable
-+{
-+public:
-+  BorrowedXlibDrawable()
-+    : mDT(nullptr),
-+      mDisplay(nullptr),
-+      mDrawable(None),
-+      mScreen(nullptr),
-+      mVisual(nullptr),
-+      mXRenderFormat(nullptr)
-+  {}
-+
-+  explicit BorrowedXlibDrawable(DrawTarget *aDT)
-+    : mDT(nullptr),
-+      mDisplay(nullptr),
-+      mDrawable(None),
-+      mScreen(nullptr),
-+      mVisual(nullptr),
-+      mXRenderFormat(nullptr)
-+  {
-+    Init(aDT);
-+  }
-+
-+  // We can optionally Init after construction in
-+  // case we don't know what the DT will be at construction
-+  // time.
-+  bool Init(DrawTarget *aDT);
-+
-+  // The caller needs to call Finish if drawable is non-zero when
-+  // they are done with the context. This is currently explicit
-+  // instead of happening implicitly in the destructor to make
-+  // what's happening in the caller more clear. It also
-+  // let's you resume using the DrawTarget in the same scope.
-+  void Finish();
-+
-+  ~BorrowedXlibDrawable() {
-+    MOZ_ASSERT(!mDrawable);
-+  }
-+
-+  Display *GetDisplay() const { return mDisplay; }
-+  Drawable GetDrawable() const { return mDrawable; }
-+  Screen *GetScreen() const { return mScreen; }
-+  Visual *GetVisual() const { return mVisual; }
-+
-+  XRenderPictFormat* GetXRenderFormat() const { return mXRenderFormat; }
-+
-+private:
-+  DrawTarget *mDT;
-+  Display *mDisplay;
-+  Drawable mDrawable;
-+  Screen *mScreen;
-+  Visual *mVisual;
-+  XRenderPictFormat *mXRenderFormat;
-+};
-+#endif
-+
- #ifdef XP_MACOSX
- /* This is a helper class that let's you borrow a CGContextRef from a
-  * DrawTargetCG. This is used for drawing themed widgets.
-diff -up firefox-40.0/mozilla-release/gfx/2d/DrawTargetCairo.cpp.1127752 firefox-40.0/mozilla-release/gfx/2d/DrawTargetCairo.cpp
---- firefox-40.0/mozilla-release/gfx/2d/DrawTargetCairo.cpp.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/gfx/2d/DrawTargetCairo.cpp	2015-08-26 14:07:24.666087911 +0200
-@@ -1714,5 +1714,50 @@ BorrowedCairoContext::ReturnCairoContext
-   cairoDT->mContext = aCairo;
- }
- 
-+#ifdef MOZ_X11
-+bool
-+BorrowedXlibDrawable::Init(DrawTarget* aDT)
-+{
-+  MOZ_ASSERT(aDT, "Caller should check for nullptr");
-+  MOZ_ASSERT(!mDT, "Can't initialize twice!");
-+  mDT = aDT;
-+  mDrawable = None;
-+
-+#ifdef CAIRO_HAS_XLIB_SURFACE
-+  if (aDT->GetBackendType() != BackendType::CAIRO ||
-+      aDT->IsDualDrawTarget() ||
-+      aDT->IsTiledDrawTarget()) {
-+    return false;
-+  }
-+
-+  DrawTargetCairo* cairoDT = static_cast<DrawTargetCairo*>(aDT);
-+  cairo_surface_t* surf = cairoDT->mSurface;
-+  if (cairo_surface_get_type(surf) != CAIRO_SURFACE_TYPE_XLIB) {
-+    return false;
-+  }
-+
-+  cairoDT->WillChange();
-+
-+  mDisplay = cairo_xlib_surface_get_display(surf);
-+  mDrawable = cairo_xlib_surface_get_drawable(surf);
-+  mScreen = cairo_xlib_surface_get_screen(surf);
-+  mVisual = cairo_xlib_surface_get_visual(surf);
-+  mXRenderFormat = cairo_xlib_surface_get_xrender_format(surf);
-+
-+  return true;
-+#else
-+  return false;
-+#endif
-+}
-+
-+void
-+BorrowedXlibDrawable::Finish()
-+{
-+  if (mDrawable) {
-+    mDrawable = None;
-+  }
-+}
-+#endif
-+
- }
- }
-diff -up firefox-40.0/mozilla-release/gfx/2d/DrawTargetCairo.h.1127752 firefox-40.0/mozilla-release/gfx/2d/DrawTargetCairo.h
---- firefox-40.0/mozilla-release/gfx/2d/DrawTargetCairo.h.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/gfx/2d/DrawTargetCairo.h	2015-08-26 14:07:24.666087911 +0200
-@@ -54,6 +54,7 @@ class DrawTargetCairo final : public Dra
- public:
-   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetCairo, override)
-   friend class BorrowedCairoContext;
-+  friend class BorrowedXlibDrawable;
- 
-   DrawTargetCairo();
-   virtual ~DrawTargetCairo();
-diff -up firefox-40.0/mozilla-release/gfx/2d/DrawTargetSkia.cpp.1127752 firefox-40.0/mozilla-release/gfx/2d/DrawTargetSkia.cpp
---- firefox-40.0/mozilla-release/gfx/2d/DrawTargetSkia.cpp.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/gfx/2d/DrawTargetSkia.cpp	2015-08-26 14:07:24.667087889 +0200
-@@ -148,6 +148,35 @@ DrawTargetSkia::Snapshot()
-   return snapshot.forget();
- }
- 
-+bool
-+DrawTargetSkia::LockBits(uint8_t** aData, IntSize* aSize,
-+                          int32_t* aStride, SurfaceFormat* aFormat)
-+{
-+  const SkBitmap &bitmap = mCanvas->getDevice()->accessBitmap(false);
-+  if (!bitmap.lockPixelsAreWritable()) {
-+    return false;
-+  }
-+
-+  MarkChanged();
-+
-+  bitmap.lockPixels();
-+  *aData = reinterpret_cast<uint8_t*>(bitmap.getPixels());
-+  *aSize = IntSize(bitmap.width(), bitmap.height());
-+  *aStride = int32_t(bitmap.rowBytes());
-+  *aFormat = SkiaColorTypeToGfxFormat(bitmap.colorType());
-+  return true;
-+}
-+
-+void
-+DrawTargetSkia::ReleaseBits(uint8_t* aData)
-+{
-+  const SkBitmap &bitmap = mCanvas->getDevice()->accessBitmap(false);
-+  MOZ_ASSERT(bitmap.lockPixelsAreWritable());
-+
-+  bitmap.unlockPixels();
-+  bitmap.notifyPixelsChanged();
-+}
-+
- static void
- SetPaintPattern(SkPaint& aPaint, const Pattern& aPattern, TempBitmap& aTmpBitmap,
-                 Float aAlpha = 1.0)
-@@ -688,10 +717,10 @@ DrawTargetSkia::CreateSourceSurfaceFromN
-     cairo_surface_t* surf = static_cast<cairo_surface_t*>(aSurface.mSurface);
-     return new SourceSurfaceCairo(surf, aSurface.mSize, aSurface.mFormat);
- #if USE_SKIA_GPU
--  } else if (aSurface.mType == NativeSurfaceType::OPENGL_TEXTURE) {
-+  } else if (aSurface.mType == NativeSurfaceType::OPENGL_TEXTURE && UsingSkiaGPU()) {
-     RefPtr<SourceSurfaceSkia> newSurf = new SourceSurfaceSkia();
-     unsigned int texture = (unsigned int)((uintptr_t)aSurface.mSurface);
--    if (UsingSkiaGPU() && newSurf->InitFromTexture((DrawTargetSkia*)this, texture, aSurface.mSize, aSurface.mFormat)) {
-+    if (newSurf->InitFromTexture((DrawTargetSkia*)this, texture, aSurface.mSize, aSurface.mFormat)) {
-       return newSurf;
-     }
-     return nullptr;
-diff -up firefox-40.0/mozilla-release/gfx/2d/DrawTargetSkia.h.1127752 firefox-40.0/mozilla-release/gfx/2d/DrawTargetSkia.h
---- firefox-40.0/mozilla-release/gfx/2d/DrawTargetSkia.h.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/gfx/2d/DrawTargetSkia.h	2015-08-26 14:07:24.667087889 +0200
-@@ -36,6 +36,9 @@ public:
-   virtual BackendType GetBackendType() const override { return BackendType::SKIA; }
-   virtual TemporaryRef<SourceSurface> Snapshot() override;
-   virtual IntSize GetSize() override { return mSize; }
-+  virtual bool LockBits(uint8_t** aData, IntSize* aSize,
-+                        int32_t* aStride, SurfaceFormat* aFormat) override;
-+  virtual void ReleaseBits(uint8_t* aData) override;
-   virtual void Flush() override;
-   virtual void DrawSurface(SourceSurface *aSurface,
-                            const Rect &aDest,
-diff -up firefox-40.0/mozilla-release/gfx/2d/moz.build.1127752 firefox-40.0/mozilla-release/gfx/2d/moz.build
---- firefox-40.0/mozilla-release/gfx/2d/moz.build.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/gfx/2d/moz.build	2015-08-26 14:07:24.667087889 +0200
-@@ -79,6 +79,7 @@ if CONFIG['MOZ_ENABLE_SKIA']:
-         'image_operations.cpp', # Uses _USE_MATH_DEFINES
-     ]
-     EXPORTS.mozilla.gfx += [
-+        'HelpersCairo.h',
-         'HelpersSkia.h',
-     ]
- 
-diff -up firefox-40.0/mozilla-release/gfx/layers/basic/BasicCompositor.cpp.1127752 firefox-40.0/mozilla-release/gfx/layers/basic/BasicCompositor.cpp
---- firefox-40.0/mozilla-release/gfx/layers/basic/BasicCompositor.cpp.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/gfx/layers/basic/BasicCompositor.cpp	2015-08-26 14:07:24.667087889 +0200
-@@ -523,7 +523,7 @@ BasicCompositor::BeginFrame(const nsIntR
-   RefPtr<CompositingRenderTarget> target = CreateRenderTarget(mInvalidRect, INIT_MODE_CLEAR);
-   if (!target) {
-     if (!mTarget) {
--      mWidget->EndRemoteDrawing();
-+      mWidget->EndRemoteDrawingInRegion(mDrawTarget, mInvalidRegion);
-     }
-     return;
-   }
-@@ -585,7 +585,7 @@ BasicCompositor::EndFrame()
-                       IntPoint(r->x - offset.x, r->y - offset.y));
-   }
-   if (!mTarget) {
--    mWidget->EndRemoteDrawing();
-+    mWidget->EndRemoteDrawingInRegion(mDrawTarget, mInvalidRegion);
-   }
- 
-   mDrawTarget = nullptr;
-diff -up firefox-40.0/mozilla-release/gfx/src/nsRegion.h.1127752 firefox-40.0/mozilla-release/gfx/src/nsRegion.h
---- firefox-40.0/mozilla-release/gfx/src/nsRegion.h.1127752	2015-08-07 17:54:05.000000000 +0200
-+++ firefox-40.0/mozilla-release/gfx/src/nsRegion.h	2015-08-26 14:07:24.667087889 +0200
-@@ -715,6 +715,12 @@ public:
-     return This();
-   }
- 
-+  Derived& ScaleInverseRoundOut (float aXScale, float aYScale)
-+  {
-+    mImpl.ScaleInverseRoundOut(aXScale, aYScale);
-+    return This();
-+  }
-+
-   Derived& Transform (const gfx3DMatrix &aTransform)
-   {
-     mImpl.Transform(aTransform);
-diff -up firefox-40.0/mozilla-release/gfx/thebes/gfxContext.cpp.1127752 firefox-40.0/mozilla-release/gfx/thebes/gfxContext.cpp
---- firefox-40.0/mozilla-release/gfx/thebes/gfxContext.cpp.1127752	2015-08-07 17:54:05.000000000 +0200
-+++ firefox-40.0/mozilla-release/gfx/thebes/gfxContext.cpp	2015-08-26 14:07:24.668087868 +0200
-@@ -619,6 +619,23 @@ gfxContext::GetClipExtents()
- }
- 
- bool
-+gfxContext::HasComplexClip() const
-+{
-+  for (int i = mStateStack.Length() - 1; i >= 0; i--) {
-+    for (unsigned int c = 0; c < mStateStack[i].pushedClips.Length(); c++) {
-+      const AzureState::PushedClip &clip = mStateStack[i].pushedClips[c];
-+      if (clip.path || !clip.transform.IsRectilinear()) {
-+        return true;
-+      }
-+    }
-+    if (mStateStack[i].clipWasReset) {
-+      break;
-+    }
-+  }
-+  return false;
-+}
-+
-+bool
- gfxContext::ClipContainsRect(const gfxRect& aRect)
- {
-   unsigned int lastReset = 0;
-diff -up firefox-40.0/mozilla-release/gfx/thebes/gfxContext.h.1127752 firefox-40.0/mozilla-release/gfx/thebes/gfxContext.h
---- firefox-40.0/mozilla-release/gfx/thebes/gfxContext.h.1127752	2015-08-07 17:54:05.000000000 +0200
-+++ firefox-40.0/mozilla-release/gfx/thebes/gfxContext.h	2015-08-26 14:07:24.668087868 +0200
-@@ -446,6 +446,11 @@ public:
-     gfxRect GetClipExtents();
- 
-     /**
-+     * Whether the current clip is not a simple rectangle.
-+     */
-+    bool HasComplexClip() const;
-+
-+    /**
-      * Returns true if the given rectangle is fully contained in the current clip. 
-      * This is conservative; it may return false even when the given rectangle is 
-      * fully contained by the current clip.
-diff -up firefox-40.0/mozilla-release/widget/gtk/nsNativeThemeGTK.cpp.1127752 firefox-40.0/mozilla-release/widget/gtk/nsNativeThemeGTK.cpp
---- firefox-40.0/mozilla-release/widget/gtk/nsNativeThemeGTK.cpp.1127752	2015-08-26 14:07:24.657088105 +0200
-+++ firefox-40.0/mozilla-release/widget/gtk/nsNativeThemeGTK.cpp	2015-08-26 14:07:24.669087846 +0200
-@@ -33,6 +33,18 @@
- #include "gfxContext.h"
- #include "gfxPlatformGtk.h"
- #include "gfxGdkNativeRenderer.h"
-+#include "mozilla/gfx/BorrowedContext.h"
-+#include "mozilla/gfx/HelpersCairo.h"
-+
-+#ifdef MOZ_X11
-+#  ifdef CAIRO_HAS_XLIB_SURFACE
-+#    include "cairo-xlib.h"
-+#  endif
-+#  ifdef CAIRO_HAS_XLIB_XRENDER_SURFACE
-+#    include "cairo-xlib-xrender.h"
-+#  endif
-+#endif
-+
- #include <algorithm>
- #include <dlfcn.h>
- 
-@@ -706,6 +718,158 @@ ThemeRenderer::DrawWithGDK(GdkDrawable *
- 
-   return NS_OK;
- }
-+#else
-+static void
-+DrawThemeWithCairo(gfxContext* aContext, DrawTarget* aDrawTarget,
-+                   GtkWidgetState aState, GtkThemeWidgetType aGTKWidgetType,
-+                   gint aFlags, GtkTextDirection aDirection, gint aScaleFactor,
-+                   bool aSnapped, const Point& aDrawOrigin, const nsIntSize& aDrawSize,
-+                   GdkRectangle& aGDKRect, nsITheme::Transparency aTransparency)
-+{
-+#ifndef MOZ_TREE_CAIRO
-+  // Directly use the Cairo draw target to render the widget if using system Cairo everywhere.
-+  BorrowedCairoContext borrow(aDrawTarget);
-+  if (borrow.mCairo) {
-+    if (aSnapped) {
-+      cairo_identity_matrix(borrow.mCairo);
-+    }
-+    if (aDrawOrigin != Point(0, 0)) {
-+      cairo_translate(borrow.mCairo, aDrawOrigin.x, aDrawOrigin.y);
-+    }
-+    if (aScaleFactor != 1) {
-+      cairo_scale(borrow.mCairo, aScaleFactor, aScaleFactor);
-+    }
-+
-+    moz_gtk_widget_paint(aGTKWidgetType, borrow.mCairo, &aGDKRect, &aState, aFlags, aDirection);
-+
-+    borrow.Finish();
-+    return;
-+  }
-+#endif
-+
-+  // A direct Cairo draw target is not available, so we need to create a temporary one.
-+  bool needClip = !aSnapped || aContext->HasComplexClip();
-+#if defined(MOZ_X11) && defined(CAIRO_HAS_XLIB_SURFACE)
-+  if (!needClip) {
-+    // If using a Cairo xlib surface, then try to reuse it.
-+    BorrowedXlibDrawable borrow(aDrawTarget);
-+    if (borrow.GetDrawable()) {
-+      nsIntSize size = aDrawTarget->GetSize();
-+      cairo_surface_t* surf = nullptr;
-+      // Check if the surface is using XRender.
-+#ifdef CAIRO_HAS_XLIB_XRENDER_SURFACE
-+      if (borrow.GetXRenderFormat()) {
-+        surf = cairo_xlib_surface_create_with_xrender_format(
-+          borrow.GetDisplay(), borrow.GetDrawable(), borrow.GetScreen(),
-+          borrow.GetXRenderFormat(), size.width, size.height);
-+      } else {
-+#else
-+      if (! borrow.GetXRenderFormat()) {
-+#endif
-+        surf = cairo_xlib_surface_create(
-+          borrow.GetDisplay(), borrow.GetDrawable(), borrow.GetVisual(),
-+          size.width, size.height);
-+      }
-+      if (!NS_WARN_IF(!surf)) {
-+        cairo_t* cr = cairo_create(surf);
-+        if (!NS_WARN_IF(!cr)) {
-+          cairo_new_path(cr);
-+          cairo_rectangle(cr, aDrawOrigin.x, aDrawOrigin.y, aDrawSize.width, aDrawSize.height);
-+          cairo_clip(cr);
-+          if (aDrawOrigin != Point(0, 0)) {
-+            cairo_translate(cr, aDrawOrigin.x, aDrawOrigin.y);
-+          }
-+          if (aScaleFactor != 1) {
-+            cairo_scale(cr, aScaleFactor, aScaleFactor);
-+          }
-+
-+          moz_gtk_widget_paint(aGTKWidgetType, cr, &aGDKRect, &aState, aFlags, aDirection);
-+
-+          cairo_destroy(cr);
-+        }
-+        cairo_surface_destroy(surf);
-+      }
-+      borrow.Finish();
-+      return;
-+    }
-+  }
-+#endif
-+
-+  // Check if the widget requires complex masking that must be composited.
-+  // Try to directly write to the draw target's pixels if possible.
-+  uint8_t* data;
-+  nsIntSize size;
-+  int32_t stride;
-+  SurfaceFormat format;
-+  if (!needClip && aDrawTarget->LockBits(&data, &size, &stride, &format)) {
-+    // Create a Cairo image surface context the device rectangle.
-+    cairo_surface_t* surf =
-+      cairo_image_surface_create_for_data(
-+        data + int32_t(aDrawOrigin.y) * stride + int32_t(aDrawOrigin.x) * BytesPerPixel(format),
-+        GfxFormatToCairoFormat(format), aDrawSize.width, aDrawSize.height, stride);
-+    if (!NS_WARN_IF(!surf)) {
-+      cairo_t* cr = cairo_create(surf);
-+      if (!NS_WARN_IF(!cr)) {
-+        if (aScaleFactor != 1) {
-+          cairo_scale(cr, aScaleFactor, aScaleFactor);
-+        }
-+
-+        moz_gtk_widget_paint(aGTKWidgetType, cr, &aGDKRect, &aState, aFlags, aDirection);
-+
-+        cairo_destroy(cr);
-+      }
-+      cairo_surface_destroy(surf);
-+    }
-+    aDrawTarget->ReleaseBits(data);
-+  } else {
-+    // If the widget has any transparency, make sure to choose an alpha format.
-+    format = aTransparency != nsITheme::eOpaque ? SurfaceFormat::B8G8R8A8 : aDrawTarget->GetFormat();
-+    // Create a temporary data surface to render the widget into.
-+    RefPtr<DataSourceSurface> dataSurface =
-+      Factory::CreateDataSourceSurface(aDrawSize, format, aTransparency != nsITheme::eOpaque);
-+    DataSourceSurface::MappedSurface map;
-+    if (!NS_WARN_IF(!(dataSurface && dataSurface->Map(DataSourceSurface::MapType::WRITE, &map)))) {
-+      // Create a Cairo image surface wrapping the data surface.
-+      cairo_surface_t* surf =
-+        cairo_image_surface_create_for_data(map.mData, GfxFormatToCairoFormat(format),
-+                                            aDrawSize.width, aDrawSize.height, map.mStride);
-+      cairo_t* cr = nullptr;
-+      if (!NS_WARN_IF(!surf)) {
-+        cr = cairo_create(surf);
-+        if (!NS_WARN_IF(!cr)) {
-+          if (aScaleFactor != 1) {
-+            cairo_scale(cr, aScaleFactor, aScaleFactor);
-+          }
-+
-+          moz_gtk_widget_paint(aGTKWidgetType, cr, &aGDKRect, &aState, aFlags, aDirection);
-+        }
-+      }
-+
-+      // Unmap the surface before using it as a source
-+      dataSurface->Unmap();
-+
-+      if (cr) {
-+        if (needClip || aTransparency != nsITheme::eOpaque) {
-+          // The widget either needs to be masked or has transparency, so use the slower drawing path.
-+          aDrawTarget->DrawSurface(dataSurface,
-+                                   Rect(aDrawOrigin, Size(aDrawSize)),
-+                                   Rect(0, 0, aDrawSize.width, aDrawSize.height));
-+        } else {
-+          // The widget is a simple opaque rectangle, so just copy it out.
-+          aDrawTarget->CopySurface(dataSurface,
-+                                   IntRect(0, 0, aDrawSize.width, aDrawSize.height),
-+                                   TruncatedToInt(aDrawOrigin));
-+        }
-+
-+        cairo_destroy(cr);
-+      }
-+
-+      if (surf) {
-+        cairo_surface_destroy(surf);
-+      }
-+    }
-+  }
-+}
- #endif
- 
- bool
-@@ -800,10 +964,6 @@ nsNativeThemeGTK::DrawWidgetBackground(n
-                                        const nsRect& aRect,
-                                        const nsRect& aDirtyRect)
- {
--#if (MOZ_WIDGET_GTK != 2)
--  DrawTarget& aDrawTarget = *aContext->GetDrawTarget();
--#endif
--
-   GtkWidgetState state;
-   GtkThemeWidgetType gtkWidgetType;
-   GtkTextDirection direction = GetTextDirection(aFrame);
-@@ -823,8 +983,8 @@ nsNativeThemeGTK::DrawWidgetBackground(n
-   // to provide crisper and faster drawing.
-   // Don't snap if it's a non-unit scale factor. We're going to have to take
-   // slow paths then in any case.
--  bool snapXY = ctx->UserToDevicePixelSnapped(rect);
--  if (snapXY) {
-+  bool snapped = ctx->UserToDevicePixelSnapped(rect);
-+  if (snapped) {
-     // Leave rect in device coords but make dirtyRect consistent.
-     dirtyRect = ctx->UserToDevice(dirtyRect);
-   }
-@@ -853,23 +1013,6 @@ nsNativeThemeGTK::DrawWidgetBackground(n
-       || !drawingRect.IntersectRect(overflowRect, drawingRect))
-     return NS_OK;
- 
--  // gdk rectangles are wrt the drawing rect.
--
--  GdkRectangle gdk_rect = {-drawingRect.x/scaleFactor,
--                           -drawingRect.y/scaleFactor,
--                           widgetRect.width/scaleFactor,
--                           widgetRect.height/scaleFactor};
--
--  // translate everything so (0,0) is the top left of the drawingRect
--  gfxContextAutoSaveRestore autoSR(ctx);
--  gfxMatrix tm;
--  if (!snapXY) { // else rects are in device coords
--    tm = ctx->CurrentMatrix();
--  }
--  tm.Translate(rect.TopLeft() + gfxPoint(drawingRect.x, drawingRect.y));
--  tm.Scale(scaleFactor, scaleFactor); // Draw in GDK coords
--  ctx->SetMatrix(tm);
--
-   NS_ASSERTION(!IsWidgetTypeDisabled(mDisabledWidgetTypes, aWidgetType),
-                "Trying to render an unsafe widget!");
- 
-@@ -879,7 +1022,27 @@ nsNativeThemeGTK::DrawWidgetBackground(n
-     gdk_error_trap_push ();
-   }
- 
-+  Transparency transparency = GetWidgetTransparency(aFrame, aWidgetType);
-+
-+  // gdk rectangles are wrt the drawing rect.
-+  GdkRectangle gdk_rect = {-drawingRect.x/scaleFactor,
-+                           -drawingRect.y/scaleFactor,
-+                           widgetRect.width/scaleFactor,
-+                           widgetRect.height/scaleFactor};
-+
-+  // translate everything so (0,0) is the top left of the drawingRect
-+  gfxPoint origin = rect.TopLeft() + drawingRect.TopLeft();
-+
- #if (MOZ_WIDGET_GTK == 2)
-+  gfxContextAutoSaveRestore autoSR(ctx);
-+  gfxMatrix matrix;
-+  if (!snapped) { // else rects are in device coords
-+    matrix = ctx->CurrentMatrix();
-+  }
-+  matrix.Translate(origin);
-+  matrix.Scale(scaleFactor, scaleFactor); // Draw in GDK coords
-+  ctx->SetMatrix(matrix);
-+
-   // The gdk_clip is just advisory here, meaning "you don't
-   // need to draw outside this rect if you don't feel like it!"
-   GdkRectangle gdk_clip = {0, 0, drawingRect.width, drawingRect.height};
-@@ -891,7 +1054,7 @@ nsNativeThemeGTK::DrawWidgetBackground(n
-   // clip rect we provide, so we cannot advertise support for clipping within
-   // the widget bounds.
-   uint32_t rendererFlags = 0;
--  if (GetWidgetTransparency(aFrame, aWidgetType) == eOpaque) {
-+  if (transparency == eOpaque) {
-     rendererFlags |= gfxGdkNativeRenderer::DRAW_IS_OPAQUE;
-   }
- 
-@@ -901,11 +1064,10 @@ nsNativeThemeGTK::DrawWidgetBackground(n
- 
-   renderer.Draw(ctx, drawingRect.Size(), rendererFlags, colormap);
- #else 
--  cairo_t *cairo_ctx =
--    (cairo_t*)aDrawTarget.GetNativeSurface(NativeSurfaceType::CAIRO_CONTEXT); 
--  MOZ_ASSERT(cairo_ctx);
--  moz_gtk_widget_paint(gtkWidgetType, cairo_ctx, &gdk_rect, 
--                       &state, flags, direction);
-+  DrawThemeWithCairo(ctx, aContext->GetDrawTarget(),
-+                     state, gtkWidgetType, flags, direction, scaleFactor,
-+                     snapped, ToPoint(origin), drawingRect.Size(),
-+                     gdk_rect, transparency);
- #endif
- 
-   if (!safeState) {
-diff -up firefox-40.0/mozilla-release/widget/gtk/nsScreenGtk.cpp.1127752 firefox-40.0/mozilla-release/widget/gtk/nsScreenGtk.cpp
---- firefox-40.0/mozilla-release/widget/gtk/nsScreenGtk.cpp.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/widget/gtk/nsScreenGtk.cpp	2015-08-26 14:07:24.669087846 +0200
-@@ -12,6 +12,7 @@
- #endif
- #include <gtk/gtk.h>
- #include <dlfcn.h>
-+#include "gfxPlatformGtk.h"
- 
- static uint32_t sScreenId = 0;
- 
-diff -up firefox-40.0/mozilla-release/widget/gtk/nsWindow.cpp.1127752 firefox-40.0/mozilla-release/widget/gtk/nsWindow.cpp
---- firefox-40.0/mozilla-release/widget/gtk/nsWindow.cpp.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/widget/gtk/nsWindow.cpp	2015-08-26 14:07:24.670087825 +0200
-@@ -2050,71 +2050,52 @@ gdk_window_flash(GdkWindow *    aGdkWind
- #endif // DEBUG
- #endif
- 
--struct ExposeRegion
--{
--    nsIntRegion mRegion;
--
- #if (MOZ_WIDGET_GTK == 2)
--    GdkRectangle *mRects;
--    GdkRectangle *mRectsEnd;
--
--    ExposeRegion() : mRects(nullptr)
--    {
--    }
--    ~ExposeRegion()
--    {
--        g_free(mRects);
--    }
--    bool Init(GdkEventExpose *aEvent)
--    {
--        gint nrects;
--        gdk_region_get_rectangles(aEvent->region, &mRects, &nrects);
--
--        if (nrects > MAX_RECTS_IN_REGION) {
--            // Just use the bounding box
--            mRects[0] = aEvent->area;
--            nrects = 1;
--        }
-+static bool
-+ExtractExposeRegion(nsIntRegion& aRegion, GdkEventExpose* aEvent)
-+{
-+  GdkRectangle* rects;
-+  gint nrects;
-+  gdk_region_get_rectangles(aEvent->region, &rects, &nrects);
-+
-+  if (nrects > MAX_RECTS_IN_REGION) {
-+      // Just use the bounding box
-+      rects[0] = aEvent->area;
-+      nrects = 1;
-+  }
- 
--        mRectsEnd = mRects + nrects;
-+  for (GdkRectangle* r = rects; r < rects + nrects; r++) {
-+      aRegion.Or(aRegion, nsIntRect(r->x, r->y, r->width, r->height));
-+      LOGDRAW(("\t%d %d %d %d\n", r->x, r->y, r->width, r->height));
-+  }
- 
--        for (GdkRectangle *r = mRects; r < mRectsEnd; r++) {
--            mRegion.Or(mRegion, nsIntRect(r->x, r->y, r->width, r->height));
--            LOGDRAW(("\t%d %d %d %d\n", r->x, r->y, r->width, r->height));
--        }
--        return true;
--    }
-+  g_free(rects);
-+  return true;
-+}
- 
- #else
- # ifdef cairo_copy_clip_rectangle_list
- #  error "Looks like we're including Mozilla's cairo instead of system cairo"
- # endif
--    cairo_rectangle_list_t *mRects;
-+static bool
-+ExtractExposeRegion(nsIntRegion& aRegion, cairo_t* cr)
-+{
-+  cairo_rectangle_list_t* rects = cairo_copy_clip_rectangle_list(cr);
-+  if (rects->status != CAIRO_STATUS_SUCCESS) {
-+      NS_WARNING("Failed to obtain cairo rectangle list.");
-+      return false;
-+  }
- 
--    ExposeRegion() : mRects(nullptr)
--    {
--    }
--    ~ExposeRegion()
--    {
--        cairo_rectangle_list_destroy(mRects);
--    }
--    bool Init(cairo_t* cr)
--    {
--        mRects = cairo_copy_clip_rectangle_list(cr);
--        if (mRects->status != CAIRO_STATUS_SUCCESS) {
--            NS_WARNING("Failed to obtain cairo rectangle list.");
--            return false;
--        }
-+  for (int i = 0; i < rects->num_rectangles; i++)  {
-+      const cairo_rectangle_t& r = rects->rectangles[i];
-+      aRegion.Or(aRegion, nsIntRect(r.x, r.y, r.width, r.height));
-+      LOGDRAW(("\t%d %d %d %d\n", r.x, r.y, r.width, r.height));
-+  }
- 
--        for (int i = 0; i < mRects->num_rectangles; i++)  {
--            const cairo_rectangle_t& r = mRects->rectangles[i];
--            mRegion.Or(mRegion, nsIntRect(r.x, r.y, r.width, r.height));
--            LOGDRAW(("\t%d %d %d %d\n", r.x, r.y, r.width, r.height));
--        }
--        return true;
--    }
-+  cairo_rectangle_list_destroy(rects);
-+  return true;
-+}
- #endif
--};
- 
- #if (MOZ_WIDGET_GTK == 2)
- gboolean
-@@ -2137,17 +2118,17 @@ nsWindow::OnExposeEvent(cairo_t *cr)
-     if (!listener)
-         return FALSE;
- 
--    ExposeRegion exposeRegion;
-+    nsIntRegion exposeRegion;
- #if (MOZ_WIDGET_GTK == 2)
--    if (!exposeRegion.Init(aEvent)) {
-+    if (!ExtractExposeRegion(exposeRegion, aEvent)) {
- #else
--    if (!exposeRegion.Init(cr)) {
-+    if (!ExtractExposeRegion(exposeRegion, cr)) {
- #endif
-         return FALSE;
-     }
- 
-     gint scale = GdkScaleFactor();
--    nsIntRegion& region = exposeRegion.mRegion;
-+    nsIntRegion region = exposeRegion;
-     region.ScaleRoundOut(scale, scale);
- 
-     ClientLayerManager *clientLayers =
-@@ -2240,33 +2221,11 @@ nsWindow::OnExposeEvent(cairo_t *cr)
-         return TRUE;
-     }
- 
--    gfxASurface* surf;
--#if (MOZ_WIDGET_GTK == 2)
--    surf = GetThebesSurface();
--#else
--    surf = GetThebesSurface(cr);
--#endif
--
--    nsRefPtr<gfxContext> ctx;
--    if (gfxPlatform::GetPlatform()->
--            SupportsAzureContentForType(BackendType::CAIRO)) {
--        IntSize intSize(surf->GetSize().width, surf->GetSize().height);
--        RefPtr<DrawTarget> dt =
--          gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(surf, intSize);
--        ctx = new gfxContext(dt);
--    } else if (gfxPlatform::GetPlatform()->
--                   SupportsAzureContentForType(BackendType::SKIA) &&
--               surf->GetType() == gfxSurfaceType::Image) {
--       gfxImageSurface* imgSurf = static_cast<gfxImageSurface*>(surf);
--       SurfaceFormat format = ImageFormatToSurfaceFormat(imgSurf->Format());
--       IntSize intSize(surf->GetSize().width, surf->GetSize().height);
--       RefPtr<DrawTarget> dt =
--         gfxPlatform::GetPlatform()->CreateDrawTargetForData(
--                        imgSurf->Data(), intSize, imgSurf->Stride(), format);
--       ctx = new gfxContext(dt);
--    } else {
--        MOZ_CRASH("Unexpected content type");
-+    RefPtr<DrawTarget> dt = StartRemoteDrawing();
-+    if(!dt) {
-+        return FALSE;
-     }
-+    nsRefPtr<gfxContext> ctx = new gfxContext(dt);
- 
- #ifdef MOZ_X11
-     nsIntRect boundsRect; // for shaped only
-@@ -2341,11 +2300,7 @@ nsWindow::OnExposeEvent(cairo_t *cr)
-     }
- #  ifdef MOZ_HAVE_SHMIMAGE
-     if (mShmImage && MOZ_LIKELY(!mIsDestroyed)) {
--#if (MOZ_WIDGET_GTK == 2)
--        mShmImage->Put(mGdkWindow, exposeRegion.mRects, exposeRegion.mRectsEnd);
--#else
--        mShmImage->Put(mGdkWindow, exposeRegion.mRects);
--#endif
-+        mShmImage->Put(mGdkWindow, exposeRegion);
-     }
- #  endif  // MOZ_HAVE_SHMIMAGE
- #endif // MOZ_X11
-@@ -6262,24 +6217,49 @@ nsWindow::StartRemoteDrawing()
-     return nullptr;
-   }
- 
--  IntSize size(surf->GetSize().width, surf->GetSize().height);
-+  nsIntSize size = surf->GetSize();
-   if (size.width <= 0 || size.height <= 0) {
-     return nullptr;
-   }
- 
--  return gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(surf, size);
-+  gfxPlatform *platform = gfxPlatform::GetPlatform();
-+  if (platform->SupportsAzureContentForType(BackendType::CAIRO) ||
-+      surf->GetType() == gfxSurfaceType::Xlib) {
-+    return platform->CreateDrawTargetForSurface(surf, size);
-+  } else if (platform->SupportsAzureContentForType(BackendType::SKIA) &&
-+             surf->GetType() == gfxSurfaceType::Image) {
-+    gfxImageSurface* imgSurf = static_cast<gfxImageSurface*>(surf);
-+    SurfaceFormat format = ImageFormatToSurfaceFormat(imgSurf->Format());
-+    return platform->CreateDrawTargetForData(
-+                     imgSurf->Data(), size, imgSurf->Stride(), format);
-+  } else {
-+    return nullptr;
-+  }
- }
- 
--// return the gfxASurface for rendering to this widget
--gfxASurface*
--nsWindow::GetThebesSurface()
--#if (MOZ_WIDGET_GTK == 3)
-+void
-+nsWindow::EndRemoteDrawingInRegion(DrawTarget* aDrawTarget, nsIntRegion& aInvalidRegion)
- {
--    return GetThebesSurface(nullptr);
-+#ifdef MOZ_X11
-+#  ifdef MOZ_HAVE_SHMIMAGE
-+  if (!mGdkWindow || mIsFullyObscured || !mHasMappedToplevel || mIsDestroyed ||
-+      !mShmImage)
-+    return;
-+
-+  gint scale = GdkScaleFactor();
-+  if (scale != 1) {
-+    aInvalidRegion.ScaleInverseRoundOut(scale, scale);
-+  }
-+
-+  mShmImage->Put(mGdkWindow, aInvalidRegion);
-+
-+#  endif // MOZ_HAVE_SHMIMAGE
-+#endif // MOZ_X11
- }
-+
-+// return the gfxASurface for rendering to this widget
- gfxASurface*
--nsWindow::GetThebesSurface(cairo_t *cr)
--#endif
-+nsWindow::GetThebesSurface()
- {
-     if (!mGdkWindow)
-         return nullptr;
-diff -up firefox-40.0/mozilla-release/widget/gtk/nsWindow.h.1127752 firefox-40.0/mozilla-release/widget/gtk/nsWindow.h
---- firefox-40.0/mozilla-release/widget/gtk/nsWindow.h.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/widget/gtk/nsWindow.h	2015-08-26 14:07:24.671087803 +0200
-@@ -194,7 +194,10 @@ public:
-                                                guint            aTime,
-                                                gpointer         aData);
- 
--  mozilla::TemporaryRef<mozilla::gfx::DrawTarget> StartRemoteDrawing() override;
-+    virtual mozilla::TemporaryRef<mozilla::gfx::DrawTarget>
-+                       StartRemoteDrawing() override;
-+    virtual void       EndRemoteDrawingInRegion(mozilla::gfx::DrawTarget* aDrawTarget,
-+                                                nsIntRegion& aInvalidRegion) override;
- 
- private:
-     void               UpdateAlpha(gfxPattern* aPattern, nsIntRect aBoundsRect);
-@@ -467,9 +470,6 @@ private:
-                                           LayersBackend aBackendHint = mozilla::layers::LayersBackend::LAYERS_NONE,
-                                           LayerManagerPersistence aPersistence = LAYER_MANAGER_CURRENT,
-                                           bool* aAllowRetaining = nullptr) override;
--#if (MOZ_WIDGET_GTK == 3)
--    gfxASurface* GetThebesSurface(cairo_t *cr);
--#endif
- 
-     void CleanLayerManagerRecursive();
- 
-diff -up firefox-40.0/mozilla-release/widget/nsIWidget.h.1127752 firefox-40.0/mozilla-release/widget/nsIWidget.h
---- firefox-40.0/mozilla-release/widget/nsIWidget.h.1127752	2015-08-26 14:07:24.671087803 +0200
-+++ firefox-40.0/mozilla-release/widget/nsIWidget.h	2015-08-26 14:07:59.529337002 +0200
-@@ -1657,6 +1657,9 @@ class nsIWidget : public nsISupports {
-      * after each composition.
-      */
-     virtual void EndRemoteDrawing() = 0;
-+    virtual void EndRemoteDrawingInRegion(mozilla::gfx::DrawTarget* aDrawTarget, nsIntRegion& aInvalidRegion) {
-+      EndRemoteDrawing();
-+    }
- 
-     /**
-      * A hook for the widget to prepare a Compositor, during the latter's initialization.
-diff -up firefox-40.0/mozilla-release/widget/nsShmImage.cpp.1127752 firefox-40.0/mozilla-release/widget/nsShmImage.cpp
---- firefox-40.0/mozilla-release/widget/nsShmImage.cpp.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/widget/nsShmImage.cpp	2015-08-26 14:07:24.672087781 +0200
-@@ -121,7 +121,7 @@ nsShmImage::AsSurface()
- 
- #if (MOZ_WIDGET_GTK == 2)
- void
--nsShmImage::Put(GdkWindow* aWindow, GdkRectangle* aRects, GdkRectangle* aEnd)
-+nsShmImage::Put(GdkWindow* aWindow, const nsIntRegion& aRegion)
- {
-     GdkDrawable* gd;
-     gint dx, dy;
-@@ -131,7 +131,8 @@ nsShmImage::Put(GdkWindow* aWindow, GdkR
-     Drawable d = GDK_DRAWABLE_XID(gd);
- 
-     GC gc = XCreateGC(dpy, d, 0, nullptr);
--    for (GdkRectangle* r = aRects; r < aEnd; r++) {
-+    nsIntRegionRectIterator iter(aRegion);
-+    for (const nsIntRect *r = iter.Next(); r; r = iter.Next()) {
-         XShmPutImage(dpy, d, gc, mImage,
-                      r->x, r->y,
-                      r->x - dx, r->y - dy,
-@@ -151,20 +152,19 @@ nsShmImage::Put(GdkWindow* aWindow, GdkR
- 
- #elif (MOZ_WIDGET_GTK == 3)
- void
--nsShmImage::Put(GdkWindow* aWindow, cairo_rectangle_list_t* aRects)
-+nsShmImage::Put(GdkWindow* aWindow, const nsIntRegion& aRegion)
- {
-     Display* dpy = gdk_x11_get_default_xdisplay();
-     Drawable d = GDK_WINDOW_XID(aWindow);
-     int dx = 0, dy = 0;
- 
-     GC gc = XCreateGC(dpy, d, 0, nullptr);
--    cairo_rectangle_t r;
--    for (int i = 0; i < aRects->num_rectangles; i++) {
--        r = aRects->rectangles[i];
-+    nsIntRegionRectIterator iter(aRegion);
-+    for (const nsIntRect *r = iter.Next(); r; r = iter.Next()) {
-         XShmPutImage(dpy, d, gc, mImage,
--                     r.x, r.y,
--                     r.x - dx, r.y - dy,
--                     r.width, r.height,
-+                     r->x, r->y,
-+                     r->x - dx, r->y - dy,
-+                     r->width, r->height,
-                      False);
-     }
- 
-diff -up firefox-40.0/mozilla-release/widget/nsShmImage.h.1127752 firefox-40.0/mozilla-release/widget/nsShmImage.h
---- firefox-40.0/mozilla-release/widget/nsShmImage.h.1127752	2015-08-07 17:54:22.000000000 +0200
-+++ firefox-40.0/mozilla-release/widget/nsShmImage.h	2015-08-26 14:07:24.672087781 +0200
-@@ -63,10 +63,8 @@ private:
- public:
-     already_AddRefed<gfxASurface> AsSurface();
- 
--#if (MOZ_WIDGET_GTK == 2)
--    void Put(GdkWindow* aWindow, GdkRectangle* aRects, GdkRectangle* aEnd);
--#elif (MOZ_WIDGET_GTK == 3)
--    void Put(GdkWindow* aWindow, cairo_rectangle_list_t* aRects);
-+#ifdef MOZ_WIDGET_GTK
-+    void Put(GdkWindow* aWindow, const nsIntRegion& aRegion);
- #elif defined(MOZ_WIDGET_QT)
-     void Put(QWindow* aWindow, QRect& aRect);
- #endif