Suppress sending mousedown / mouseup when in fling

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 <list>
 #include <map>
@@ skipping 226 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 ForwardMouseEventImmediately(const WebKit::WebMouseEvent& mouse_event);
   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)
 
@@ skipping 625 matching lines @@
 #if defined(OS_WIN)
   std::list<HWND> dummy_windows_for_activation_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_