Aura: Less image transport IPCs and less code.

content/browser/gpu/gpu_process_host_ui_shim.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/gpu/gpu_process_host_ui_shim.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 275 matching lines @@
           SWP_NOACTIVATE | SWP_DEFERERASE);
 #endif
 }
 
 #endif
 
 #if defined(USE_AURA)
 
 void GpuProcessHostUIShim::OnAcceleratedSurfaceNew(
     const GpuHostMsg_AcceleratedSurfaceNew_Params& params) {
-  ScopedSendOnIOThread delayed_send(
-      host_id_,
-      new AcceleratedSurfaceMsg_NewACK(
-          params.route_id,
-          params.surface_handle,
-          TransportDIB::DefaultHandleValue()));
-
   RenderWidgetHostViewPort* view = GetRenderWidgetHostViewFromSurfaceID(
       params.surface_id);
   if (!view)
     return;
-
-  uint64 surface_handle = params.surface_handle;
-  TransportDIB::Handle shm_handle = TransportDIB::DefaultHandleValue();
-
   view->AcceleratedSurfaceNew(
-      params.width, params.height, &surface_handle, &shm_handle);
-  delayed_send.Cancel();
-  Send(new AcceleratedSurfaceMsg_NewACK(
-      params.route_id, surface_handle, shm_handle));
+      params.width, params.height, params.surface_handle);
 }
 
 #endif
 
 static base::TimeDelta GetSwapDelay() {
   CommandLine* cmd_line = CommandLine::ForCurrentProcess();
   int delay = 0;
   if (cmd_line->HasSwitch(switches::kGpuSwapDelay)) {
     base::StringToInt(cmd_line->GetSwitchValueNative(
         switches::kGpuSwapDelay).c_str(), &delay);
@@ skipping 62 matching lines @@
 void GpuProcessHostUIShim::OnAcceleratedSurfaceRelease(
     const GpuHostMsg_AcceleratedSurfaceRelease_Params& params) {
   RenderWidgetHostViewPort* view = GetRenderWidgetHostViewFromSurfaceID(
       params.surface_id);
   if (!view)
     return;
   view->AcceleratedSurfaceRelease(params.identifier);
 }
 
 #endif