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

content/browser/renderer_host/input/gesture_event_filter.h

Index: content/browser/renderer_host/input/gesture_event_filter.h
diff --git a/content/browser/renderer_host/input/gesture_event_filter.h b/content/browser/renderer_host/input/gesture_event_filter.h
deleted file mode 100644
index da1850d944e33e382ecb5c3e6ca52fd28a090899..0000000000000000000000000000000000000000
--- a/content/browser/renderer_host/input/gesture_event_filter.h
+++ /dev/null
@@ -1,106 +0,0 @@
-// 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_GESTURE_EVENT_FILTER_H_
-#define CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_EVENT_FILTER_H_
-
-#include <deque>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/timer/timer.h"
-#include "content/browser/renderer_host/input/base_gesture_event_filter.h"
-#include "content/browser/renderer_host/input/gesture_event_filter_client.h"
-#include "content/common/content_export.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/transform.h"
-
-namespace content {
-class GestureEventFilterTest;
-class InputRouter;
-class MockRenderWidgetHost;
-class TouchpadTapSuppressionController;
-class TouchpadTapSuppressionControllerClient;
-class TouchscreenTapSuppressionController;
-
-// Adds the following filters on top of BaseGestureEventFilter's filtering
-// 1. Zero-velocity fling-starts from touchpad are filtered.
-// 2. Unnecessary GestureFlingCancel events are filtered. These are
-//    GestureFlingCancels that have no corresponding GestureFlingStart in the
-//    queue.
-// 3. Taps immediately after a GestureFlingCancel (caused by the same tap) are
-//    filtered.
-class CONTENT_EXPORT GestureEventFilter : public BaseGestureEventFilter {
- public:
-  // Both |client| and |touchpad_client| must outlive the GestureEventFilter.
-  GestureEventFilter(GestureEventFilterClient* client,
-                     TouchpadTapSuppressionControllerClient* touchpad_client);
-  ~GestureEventFilter();
-
-  // Overridden from BaseGestureEventFilter.
-  virtual bool ShouldForward(const GestureEventWithLatencyInfo&) OVERRIDE;
-  virtual void ProcessGestureAck(InputEventAckState ack_result,
-                                 WebKit::WebInputEvent::Type type,
-                                 const ui::LatencyInfo& latency) OVERRIDE;
-
-  // Sets the state of the |fling_in_progress_| field to indicate that a fling
-  // is definitely not in progress.
-  void FlingHasBeenHalted();
-
-  // Returns the |TouchpadTapSuppressionController| instance.
-  TouchpadTapSuppressionController* GetTouchpadTapSuppressionController();
-
- private:
-  friend class MockRenderWidgetHost;
-  friend class GestureEventFilterTest;
-
-  // Overridden from BaseGestureEventFilter.
-  virtual bool ShouldForwardScrollEndingEvent(
-      const GestureEventWithLatencyInfo& event) OVERRIDE;
-  virtual bool ShouldForwardForCoalescing(
-      const GestureEventWithLatencyInfo& gesture_event) OVERRIDE;
-
-  // Returns |true| if the given GestureFlingCancel should be discarded
-  // as unnecessary.
-  bool ShouldDiscardFlingCancelEvent(
-      const GestureEventWithLatencyInfo& gesture_event) const;
-
-  // Sub-filter for removing zero-velocity fling-starts from touchpad.
-  bool ShouldForwardForZeroVelocityFlingStart(
-      const GestureEventWithLatencyInfo& gesture_event) const;
-
-  // Sub-filter for removing unnecessary GestureFlingCancels.
-  bool ShouldForwardForGFCFiltering(
-      const GestureEventWithLatencyInfo& gesture_event) const;
-
-  // Sub-filter for suppressing taps immediately after a GestureFlingCancel.
-  bool ShouldForwardForTapSuppression(
-      const GestureEventWithLatencyInfo& gesture_event);
-
-  // True if a GestureFlingStart is in progress on the renderer or
-  // queued without a subsequent queued GestureFlingCancel event.
-  bool fling_in_progress_;
-
-  // An object tracking the state of touchpad on the delivery of mouse events to
-  // the renderer to filter mouse immediately after a touchpad fling canceling
-  // tap.
-  // TODO(mohsen): Move touchpad tap suppression out of GestureEventFilter since
-  // GEF is meant to only be used for touchscreen gesture events.
-  scoped_ptr<TouchpadTapSuppressionController>
-      touchpad_tap_suppression_controller_;
-
-  // An object tracking the state of touchscreen on the delivery of gesture tap
-  // events to the renderer to filter taps immediately after a touchscreen fling
-  // canceling tap.
-  scoped_ptr<TouchscreenTapSuppressionController>
-      touchscreen_tap_suppression_controller_;
-
-  DISALLOW_COPY_AND_ASSIGN(GestureEventFilter);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_GESTURE_EVENT_FILTER_H_