| Index: content/renderer/gpu/render_widget_compositor.cc | 
| diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc | 
| index f8cadcf9341536001b1c8f5099f317588e1ebb35..458d9130165003b3b12d6a4bb1ddeb637a67f00e 100644 | 
| --- a/content/renderer/gpu/render_widget_compositor.cc | 
| +++ b/content/renderer/gpu/render_widget_compositor.cc | 
| @@ -85,6 +85,7 @@ using blink::WebRect; | 
| using blink::WebSelection; | 
| using blink::WebSize; | 
| using blink::WebBrowserControlsState; | 
| +using blink::WebScrollBoundaryBehavior; | 
|  | 
| namespace content { | 
| namespace { | 
| @@ -1113,6 +1114,11 @@ void RenderWidgetCompositor::RequestDecode( | 
| } | 
| } | 
|  | 
| +void RenderWidgetCompositor::SetScrollBoundaryBehavior( | 
| +    const WebScrollBoundaryBehavior& behavior) { | 
| +  layer_tree_host_->SetScrollBoundaryBehavior(behavior); | 
| +} | 
| + | 
| void RenderWidgetCompositor::WillBeginMainFrame() { | 
| delegate_->WillBeginCompositorFrame(); | 
| } | 
|  |