Implement CSS: scroll-boundary-behavior

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

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 132 matching lines @@
   LayoutRect bounds = LayoutRect(FloatPoint(), Size());
   bounds.Move(OffsetFromLayoutObjectWithSubpixelAccumulation());
   return bounds;
 }
 
 void GraphicsLayer::SetHasWillChangeTransformHint(
     bool has_will_change_transform) {
   layer_->Layer()->SetHasWillChangeTransformHint(has_will_change_transform);
 }
 
+void GraphicsLayer::SetScrollBoundaryBehavior(
+    WebScrollBoundaryBehavior behavior) {
+  layer_->Layer()->SetScrollBoundaryBehavior(behavior);
+}
+
 void GraphicsLayer::SetParent(GraphicsLayer* layer) {
 #if DCHECK_IS_ON()
   DCHECK(!layer || !layer->HasAncestor(this));
 #endif
   parent_ = layer;
 }
 
 #if DCHECK_IS_ON()
 
 bool GraphicsLayer::HasAncestor(GraphicsLayer* ancestor) const {
@@ skipping 1129 matching lines @@
 void showGraphicsLayerTree(const blink::GraphicsLayer* layer) {
   if (!layer) {
     LOG(INFO) << "Cannot showGraphicsLayerTree for (nil).";
     return;
   }
 
   String output = layer->LayerTreeAsText(blink::kLayerTreeIncludesDebugInfo);
   LOG(INFO) << output.Utf8().data();
 }
 #endif