Clamp background tiles when possible

third_party/WebKit/Source/platform/graphics/Image.h

Index: third_party/WebKit/Source/platform/graphics/Image.h
diff --git a/third_party/WebKit/Source/platform/graphics/Image.h b/third_party/WebKit/Source/platform/graphics/Image.h
index e238844dd926b948be7cfb0f1b95c46a56a75cb8..28cbb409743cd25075a2c5621a7a019423224978 100644
--- a/third_party/WebKit/Source/platform/graphics/Image.h
+++ b/third_party/WebKit/Source/platform/graphics/Image.h
@@ -156,14 +156,6 @@ class PLATFORM_EXPORT Image : public ThreadSafeRefCounted<Image> {
   virtual sk_sp<SkImage> imageForCurrentFrame(const ColorBehavior&) = 0;
   virtual PassRefPtr<Image> imageForDefaultFrame();
 
-  virtual void drawPattern(GraphicsContext&,
-                           const FloatRect&,
-                           const FloatSize&,
-                           const FloatPoint& phase,
-                           SkBlendMode,
-                           const FloatRect&,
-                           const FloatSize& repeatSpacing = FloatSize());
-
   enum ImageClampingMode {
     ClampImageToSourceRect,
     DoNotClampImageToSourceRect
@@ -213,6 +205,14 @@ class PLATFORM_EXPORT Image : public ThreadSafeRefCounted<Image> {
                        TileRule vRule,
                        SkBlendMode);
 
+  virtual void drawPattern(GraphicsContext&,
+                           const FloatRect&,
+                           const FloatSize&,
+                           const FloatPoint& phase,
+                           SkBlendMode,
+                           const FloatRect&,
+                           const FloatSize& repeatSpacing = FloatSize());
+
  private:
   RefPtr<SharedBuffer> m_encodedImageData;
   // TODO(Oilpan): consider having Image on the Oilpan heap and