Move OverscrollController to RenderWidgetHostViewAura

content/browser/renderer_host/render_widget_host_view_base.h

Index: content/browser/renderer_host/render_widget_host_view_base.h
diff --git a/content/browser/renderer_host/render_widget_host_view_base.h b/content/browser/renderer_host/render_widget_host_view_base.h
index e00c9779946bcb76624a076f3917032e4c628acc..24d9ce5896774e23af2cb383e67b3edc5428980f 100644
--- a/content/browser/renderer_host/render_widget_host_view_base.h
+++ b/content/browser/renderer_host/render_widget_host_view_base.h
@@ -80,10 +80,6 @@ class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView,
   // IPC::Listener implementation:
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
-  // Called when a mousewheel event was not processed by the renderer.
-  // virtual for testing.
-  virtual void UnhandledWheelEvent(const blink::WebMouseWheelEvent& event);
-
   // Called by the host when the input flush has completed.
   void OnDidFlushInput();
 
@@ -141,6 +137,9 @@ class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView,
   // by synchronized with BeginFrame.
   virtual void OnSetNeedsFlushInput();
 
+  virtual void WheelEventAck(const blink::WebMouseWheelEvent& event,
+                             InputEventAckState ack_result);
+
   virtual void GestureEventAck(const blink::WebGestureEvent& event,
                                InputEventAckState ack_result);