Notify OverscrollController of gesture events in plugins.

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 <set>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 1091 matching lines @@
     // of indicating that touchpad scroll has ended, we don't actually want
     // a fling animation. Note: Similar code exists in
     // RenderWidgetHostViewChildFrame::FilterInputEvent()
     return INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
   }
 
   return consumed ? INPUT_EVENT_ACK_STATE_CONSUMED
                   : INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
 }
 
+InputEventAckState RenderWidgetHostViewAura::FilterChildGestureEvent(
+    const blink::WebGestureEvent& gesture_event) {
+  if (overscroll_controller_ &&
+      overscroll_controller_->WillHandleEvent(gesture_event))
+    return INPUT_EVENT_ACK_STATE_CONSUMED;
+  return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
+}
+
 BrowserAccessibilityManager*
 RenderWidgetHostViewAura::CreateBrowserAccessibilityManager(
     BrowserAccessibilityDelegate* delegate, bool for_root_frame) {
   BrowserAccessibilityManager* manager = NULL;
 #if defined(OS_WIN)
   manager = new BrowserAccessibilityManagerWin(
       BrowserAccessibilityManagerWin::GetEmptyDocument(), delegate);
 #else
   manager = BrowserAccessibilityManager::Create(
       BrowserAccessibilityManager::GetEmptyDocument(), delegate);
@@ skipping 1252 matching lines @@
 }
 
 void RenderWidgetHostViewAura::UpdateNeedsBeginFramesInternal() {
   if (!delegated_frame_host_)
     return;
   delegated_frame_host_->SetNeedsBeginFrames(needs_begin_frames_ ||
                                              needs_flush_input_);
 }
 
 }  // namespace content