input: Make the OverscrollController less intrusive, and some code cleanup.

content/browser/renderer_host/input/input_router.h

 // Copyright 2013 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_INPUT_INPUT_ROUTER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_H_
 
 #include "base/basictypes.h"
 #include "content/port/browser/event_with_latency_info.h"
 #include "content/port/common/input_event_ack_state.h"
@@ skipping 42 matching lines @@
 
   // Returns |true| if the caller should immediately forward touch events to the
   // router.  When |false|, the caller can forego sending touch events, and
   // instead consume them directly.
   virtual bool ShouldForwardTouchEvent() const = 0;
 
   // Returns |true| if the caller should immediately forward the provided
   // |gesture_event| to the router.
   virtual bool ShouldForwardGestureEvent(
       const GestureEventWithLatencyInfo& gesture_event) const = 0;
-
-  // Returns |true| if the router has any queued or in-flight gesture events.
-  virtual bool HasQueuedGestureEvents() const = 0;
 };
 
 }  // namespace content
 
 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_H_