First Implementation of Snapped Points

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 8ed6290d8515c53c48f23818811495dd396f11bf..0fb8c55f93558a2a6b5086ed646bfd9dfd4d43fd 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/WebSnapPointList.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 SetSnapOffsets(const WebSnapPointList&);
+
  protected:
   String DebugName(cc::Layer*) const;
   bool ShouldFlattenTransform() const { return should_flatten_transform_; }
@@ -383,6 +386,9 @@ class PLATFORM_EXPORT GraphicsLayer : public cc::LayerClient,
 
   Vector<LinkHighlight*> link_highlights_;
 
+  Vector<double> m_snapOffsetsH;
+  Vector<double> m_snapOffsetsV;
+
   std::unique_ptr<ContentLayerDelegate> content_layer_delegate_;
 
   WeakPersistent<ScrollableArea> scrollable_area_;