Add latency info to input events sent to RenderWidget.

content/browser/renderer_host/overscroll_controller.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_OVERSCROLL_CONTROLLER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_OVERSCROLL_CONTROLLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 
+namespace cc {
+struct LatencyInfo;
+}
+
 namespace content {
 
 class MockRenderWidgetHost;
 class OverscrollControllerDelegate;
 class RenderWidgetHostImpl;
 
 enum OverscrollMode {
   OVERSCROLL_NONE,
   OVERSCROLL_NORTH,
   OVERSCROLL_SOUTH,
@@ skipping 10 matching lines @@
  public:
   // Creates an overscroll controller for the specified RenderWidgetHost.
   // The RenderWidgetHost owns this overscroll controller.
   explicit OverscrollController(RenderWidgetHostImpl* widget_host);
   virtual ~OverscrollController();
 
   // This must be called when dispatching any event from the
   // RenderWidgetHostView so that the state of the overscroll gesture can be
   // updated properly.
   // Returns true if the event should be dispatched, false otherwise.
-  bool WillDispatchEvent(const WebKit::WebInputEvent& event);
+  bool WillDispatchEvent(const WebKit::WebInputEvent& event,
+                         const cc::LatencyInfo& latency_info);
 
   // This must be called when the ACK for any event comes in. This updates the
   // overscroll gesture status as appropriate.
   void ReceivedEventACK(const WebKit::WebInputEvent& event, bool processed);
 
   OverscrollMode overscroll_mode() const { return overscroll_mode_; }
 
   void set_delegate(OverscrollControllerDelegate* delegate) {
     delegate_ = delegate;
   }
@@ skipping 46 matching lines @@
   // The delegate that receives the overscroll updates. The delegate is not
   // owned by this controller.
   OverscrollControllerDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(OverscrollController);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_OVERSCROLL_CONTROLLER_H_