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 131 matching lines @@
 LayoutRect GraphicsLayer::visualRect() const {
   LayoutRect bounds = LayoutRect(FloatPoint(), size());
   bounds.move(offsetFromLayoutObjectWithSubpixelAccumulation());
   return bounds;
 }
 
 void GraphicsLayer::setHasWillChangeTransformHint(bool hasWillChangeTransform) {
   m_layer->layer()->setHasWillChangeTransformHint(hasWillChangeTransform);
 }
 
+void GraphicsLayer::setScrollBoundaryBehavior(
+    WebScrollBoundaryBehavior behavior) {
+  m_layer->layer()->setScrollBoundaryBehavior(behavior);
+}
+
 void GraphicsLayer::setParent(GraphicsLayer* layer) {
 #if DCHECK_IS_ON()
   DCHECK(!layer || !layer->hasAncestor(this));
 #endif
   m_parent = layer;
 }
 
 #if DCHECK_IS_ON()
 
 bool GraphicsLayer::hasAncestor(GraphicsLayer* ancestor) const {
@@ skipping 1128 matching lines @@
 void showGraphicsLayerTree(const blink::GraphicsLayer* layer) {
   if (!layer) {
     LOG(INFO) << "Cannot showGraphicsLayerTree for (nil).";
     return;
   }
 
   String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo);
   LOG(INFO) << output.utf8().data();
 }
 #endif