Remove GestureEventFilter and clean up related bits assuming that we turn on

content/browser/renderer_host/input/fling/flinger.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_FLING_FLINGER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_FLING_FLINGER_H_
 
 #include "base/basictypes.h"
 #include "base/timer/timer.h"
 #include "content/browser/renderer_host/input/fling/fling_curve.h"
 #include "content/port/browser/event_with_latency_info.h"
 #include "content/port/common/input_event_ack_state.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/gfx/point.h"
 
 namespace content {
 class FlingerTest;
+class MockRenderWidgetHost;
 
 class FlingHelper {
  public:
   virtual ~FlingHelper() {}
 
   virtual void SendEventForFling(const WebKit::WebInputEvent& event) = 0;
   virtual void FlingFinished(WebKit::WebGestureEvent::SourceDevice source) = 0;
 };
 
 // Handles fling gestures.
@@ skipping 14 matching lines @@
 
   // Filters key events that may be just canceling an in-process fling.
   bool HandleKeyboardEvent();
 
   void ProcessEventAck(WebKit::WebInputEvent::Type type,
                        InputEventAckState ack_result,
                        const ui::LatencyInfo& latency);
 
  private:
   friend class FlingerTest;
+  friend class MockRenderWidgetHost;
 
   // Overridden from FlingCurveTarget.
   virtual void ScrollBy(const gfx::PointF& delta) OVERRIDE;
   virtual void NotifyCurrentFlingVelocity(const gfx::PointF& velocity) OVERRIDE;
 
   void StartCurveTimer();
   void CurveTimerFired();
 
   void StopFlingAndCleanup();
 
@@ skipping 13 matching lines @@
   double fling_start_time_secs_;
   int fling_modifier_;
   WebKit::WebGestureEvent::SourceDevice fling_source_;
 
   DISALLOW_COPY_AND_ASSIGN(Flinger);
 };
 
 }  // namespace content
 
 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_FLING_FLINGER_H_