Let every "accelerated IO surface swapped" message have an identifier of the surface.

chrome/renderer/render_view.cc

 // Copyright (c) 2010 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 "chrome/renderer/render_view.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 5969 matching lines @@
     return dib_handle;
   // Return an invalid handle if Send() fails.
   return TransportDIB::DefaultHandleValue();
 }
 
 void RenderView::AcceleratedSurfaceFreeTransportDIB(TransportDIB::Id dib_id) {
   Send(new ViewHostMsg_FreeTransportDIB(dib_id));
 }
 
 void RenderView::AcceleratedSurfaceBuffersSwapped(
-    gfx::PluginWindowHandle window) {
-  Send(new ViewHostMsg_AcceleratedSurfaceBuffersSwapped(routing_id(), window));
+    gfx::PluginWindowHandle window, uint64 surface_id) {
+  Send(new ViewHostMsg_AcceleratedSurfaceBuffersSwapped(
+      routing_id(), window, surface_id));
 }
 #endif
 
 bool RenderView::ScheduleFileChooser(
     const ViewHostMsg_RunFileChooser_Params& params,
     WebFileChooserCompletion* completion) {
   static const size_t kMaximumPendingFileChooseRequests = 4;
   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
     // This sanity check prevents too many file choose requests from getting
     // queued which could DoS the user. Getting these is most likely a
@@ skipping 122 matching lines @@
       IPC::PlatformFileForTransitToPlatformFile(file_for_transit),
       message_id);
 }
 
 #if defined(OS_MACOSX)
 void RenderView::OnSelectPopupMenuItem(int selected_index) {
   external_popup_menu_->DidSelectItem(selected_index);
   external_popup_menu_.reset();
 }
 #endif