[Android] Perform eager gesture recognition on MotionEvents

content/browser/renderer_host/render_widget_host_view_aura.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 2132 matching lines @@
     rect.Inset(GetSystemMetrics(SM_CXSIZEFRAME),
                GetSystemMetrics(SM_CYSIZEFRAME));
   }
 
   return gfx::win::ScreenToDIPRect(rect);
 #else
   return window_->GetToplevelWindow()->GetBoundsInScreen();
 #endif
 }
 
-void RenderWidgetHostViewAura::GestureEventAck(int gesture_event_type,
-                                               InputEventAckState ack_result) {
+void RenderWidgetHostViewAura::GestureEventAck(
+    const blink::WebGestureEvent& event,
+    InputEventAckState ack_result) {
   if (touch_editing_client_)
-    touch_editing_client_->GestureEventAck(gesture_event_type);
+    touch_editing_client_->GestureEventAck(event.type);
 }
 
 void RenderWidgetHostViewAura::ProcessAckedTouchEvent(
     const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) {
   ScopedVector<ui::TouchEvent> events;
   if (!MakeUITouchEventsFromWebTouchEvents(touch, &events,
                                            SCREEN_COORDINATES))
     return;
 
   aura::WindowEventDispatcher* dispatcher = window_->GetDispatcher();
@@ skipping 1400 matching lines @@
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewAura(widget);
 }
 
 // static
 void RenderWidgetHostViewPort::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content