Implement CSS: scroll-boundary-behavior

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

Index: third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
index 1988779fc202731c6c2b9e241a63742c4163c1d4..467d68da9a12a7132c562874bda5930d14783baf 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.h
@@ -50,6 +50,7 @@
 #include "public/platform/WebContentLayer.h"
 #include "public/platform/WebImageLayer.h"
 #include "public/platform/WebLayerStickyPositionConstraint.h"
+#include "public/platform/WebScrollBoundaryBehavior.h"
 #include "third_party/skia/include/core/SkFilterQuality.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 
@@ -277,6 +278,8 @@ class PLATFORM_EXPORT GraphicsLayer : public cc::LayerClient,
 
   void SetHasWillChangeTransformHint(bool);
 
+  void SetScrollBoundaryBehavior(WebScrollBoundaryBehavior);

[bokan, 2017/05/19 19:35:57]

pass by const ref

[sunyunjia, 2017/05/25 20:07:10]

Done.

+
  protected:
   String DebugName(cc::Layer*) const;
   bool ShouldFlattenTransform() const { return should_flatten_transform_; }