touch-event queue: Add a touch-event queue for all platforms.

content/browser/renderer_host/render_widget_host_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <queue>
@@ skipping 42 matching lines @@
 class WebLayer;
 }
 #endif
 
 namespace content {
 class BackingStore;
 class GestureEventFilter;
 class RenderWidgetHostDelegate;
 class RenderWidgetHostViewPort;
 class SmoothScrollGesture;
+class TouchEventQueue;
 
 // This implements the RenderWidgetHost interface that is exposed to
 // embedders of content, and adds things only visible to content.
 class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
                                             public IPC::Listener {
  public:
   // routing_id can be MSG_ROUTING_NONE, in which case the next available
   // routing id is taken from the RenderProcessHost.
   // If this object outlives |delegate|, DetachDelegate() must be called when
   // |delegate| goes away.
@@ skipping 159 matching lines @@
   // Stops all existing hang monitor timeouts and assumes the renderer is
   // responsive.
   void StopHangMonitorTimeout();
 
   // Forwards the given message to the renderer. These are called by the view
   // when it has received a message.
   void ForwardGestureEvent(const WebKit::WebGestureEvent& gesture_event);
   virtual void ForwardTouchEvent(const WebKit::WebTouchEvent& touch_event);
 
   // Forwards the given event immediately to the renderer.
+  void ForwardTouchEventImmediately(const WebKit::WebTouchEvent& touch_event);
   void ForwardGestureEventImmediately(
       const WebKit::WebGestureEvent& gesture_event);
 
 #if defined(TOOLKIT_GTK)
   // Give key press listeners a chance to handle this key press. This allow
   // widgets that don't have focus to still handle key presses.
   bool KeyPressListenersHandleEvent(GdkEventKey* event);
 #endif  // defined(TOOLKIT_GTK)
 
 #if defined(TOOLKIT_VIEWS)
@@ skipping 570 matching lines @@
   bool has_touch_handler_;
 
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   typedef std::map<int, scoped_refptr<SmoothScrollGesture> >
       SmoothScrollGestureMap;
   SmoothScrollGestureMap active_smooth_scroll_gestures_;
   base::TimeTicks last_smooth_scroll_gestures_tick_time_;
   bool tick_active_smooth_scroll_gestures_task_posted_;
 
+  scoped_ptr<TouchEventQueue> touch_event_queue_;
   scoped_ptr<GestureEventFilter> gesture_event_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_