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

content/browser/renderer_host/input/immediate_input_router.h

Index: content/browser/renderer_host/input/immediate_input_router.h
diff --git a/content/browser/renderer_host/input/immediate_input_router.h b/content/browser/renderer_host/input/immediate_input_router.h
index 0b78d9d1f455c624488e412bdd3335c50ce9adff..8aaab116f1108036ea848d9bc3ca293471484a4f 100644
--- a/content/browser/renderer_host/input/immediate_input_router.h
+++ b/content/browser/renderer_host/input/immediate_input_router.h
@@ -14,7 +14,6 @@
 #include "content/browser/renderer_host/input/gesture_event_filter_client.h"
 #include "content/browser/renderer_host/input/input_router.h"
 #include "content/browser/renderer_host/input/touch_event_queue.h"
-#include "content/browser/renderer_host/input/touchpad_tap_suppression_controller.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 
 namespace IPC {
@@ -38,7 +37,6 @@ class CONTENT_EXPORT ImmediateInputRouter
     : public NON_EXPORTED_BASE(InputRouter),
       public NON_EXPORTED_BASE(GestureEventFilterClient),
       public NON_EXPORTED_BASE(TouchEventQueueClient),
-      public NON_EXPORTED_BASE(TouchpadTapSuppressionControllerClient),
       public NON_EXPORTED_BASE(FlingHelper) {
  public:
   ImmediateInputRouter(IPC::Sender* sender,
@@ -72,7 +70,6 @@ private:
   friend class ImmediateInputRouterTest;
   friend class MockRenderWidgetHost;
 
-  // TouchpadTapSuppressionControllerClient
   virtual void SendMouseEventImmediately(
       const MouseEventWithLatencyInfo& mouse_event) OVERRIDE;
 
@@ -177,8 +174,6 @@ private:
 
   int routing_id() const { return routing_id_; }
 
-  BaseGestureEventFilter* gesture_event_filter();
-
   IPC::Sender* sender_;
   InputRouterClient* client_;
   InputAckHandler* ack_handler_;
@@ -243,8 +238,7 @@ private:
   scoped_ptr<TouchEventQueue> touch_event_queue_;
   scoped_ptr<Flinger> flinger_;
 
-  class EventFilteringHelper;
-  scoped_ptr<EventFilteringHelper> event_filter_;
+  scoped_ptr<BaseGestureEventFilter> event_filter_;
 
   enum InputMessageSource {
     MESSAGE_SOURCE_FLING,