OverscrollGlow for mainThread-{CHROMIUM CHANGES}

content/renderer/render_view_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 312 matching lines @@
 
   // Most methods are handled by RenderWidget.
   virtual void didFocus();
   virtual void didBlur();
   virtual void show(blink::WebNavigationPolicy policy);
   virtual bool requestPointerLock();
   virtual void requestPointerUnlock();
   virtual bool isPointerLocked();
   virtual void didHandleGestureEvent(const blink::WebGestureEvent& event,
                                      bool event_cancelled) override;
+  virtual void didOverScrollOnMainThread(const float& unusedDeltaX,

[jdduke (slow), 2015/04/24 16:57:23]

Do we need to override this? Can we just have the implemention in RenderWidget?

+                                         const float& unusedDeltaY,
+                                         const float& accumaltedRootOverScrollX,
+                                         const float& accumaltedRootOverScrollY,
+                                         const float& positionX,
+                                         const float& positionY,
+                                         const float& velocityX,
+                                         const float& velocityY) override;
+
   virtual void initializeLayerTreeView() override;
 
   // blink::WebViewClient implementation --------------------------------------
 
   virtual blink::WebView* createView(blink::WebLocalFrame* creator,
                                      const blink::WebURLRequest& request,
                                      const blink::WebWindowFeatures& features,
                                      const blink::WebString& frame_name,
                                      blink::WebNavigationPolicy policy,
                                      bool suppress_opener);
@@ skipping 679 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_