Bundle DidOverscrollParams with the InputEventAck

content/browser/renderer_host/render_widget_host_view_base.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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_
 
 #if defined(OS_MACOSX)
 #include <OpenGL/OpenGL.h>
 #endif
@@ skipping 35 matching lines @@
 
 namespace blink {
 struct WebScreenInfo;
 }
 
 namespace content {
 class BrowserAccessibilityManager;
 class SyntheticGesture;
 class SyntheticGestureTarget;
 class WebCursor;
+struct DidOverscrollParams;
+struct NativeWebKeyboardEvent;
 struct WebPluginGeometry;
-struct NativeWebKeyboardEvent;
 
 // Basic implementation shared by concrete RenderWidgetHostView subclasses.
 class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView,
                                                 public IPC::Listener {
  public:
   virtual ~RenderWidgetHostViewBase();
 
   // RenderWidgetHostView implementation.
   virtual void SetBackgroundOpaque(bool opaque) OVERRIDE;
   virtual bool GetBackgroundOpaque() OVERRIDE;
@@ skipping 96 matching lines @@
                                      scoped_ptr<cc::CompositorFrame> frame) {}
 
   // Because the associated remote WebKit instance can asynchronously
   // prevent-default on a dispatched touch event, the touch events are queued in
   // the GestureRecognizer until invocation of ProcessAckedTouchEvent releases
   // it to be consumed (when |ack_result| is NOT_CONSUMED OR NO_CONSUMER_EXISTS)
   // or ignored (when |ack_result| is CONSUMED).
   virtual void ProcessAckedTouchEvent(const TouchEventWithLatencyInfo& touch,
                                       InputEventAckState ack_result) {}
 
+  virtual void DidOverscroll(const DidOverscrollParams& params) {}
+
   virtual void DidStopFlinging() {}
 
   //----------------------------------------------------------------------------
   // The following static methods are implemented by each platform.
 
   static void GetDefaultScreenInfo(blink::WebScreenInfo* results);
 
   //----------------------------------------------------------------------------
   // The following pure virtual methods are implemented by derived classes.
 
@@ skipping 240 matching lines @@
   uint32 renderer_frame_number_;
 
   base::OneShotTimer<RenderWidgetHostViewBase> flush_input_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewBase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_