Revert 251207 "Use gpu::Mailbox instead of std:string in IPCs"

trunk/src/content/renderer/browser_plugin/browser_plugin.cc

 // Copyright 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/renderer/browser_plugin/browser_plugin.h"
 
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 419 matching lines @@
   }
   attached_ = true;
 }
 
 void BrowserPlugin::OnBuffersSwapped(
     int instance_id,
     const FrameMsg_BuffersSwapped_Params& params) {
   EnableCompositing(true);
 
   compositing_helper_->OnBuffersSwapped(params.size,
-                                        params.mailbox,
+                                        params.mailbox_name,
                                         params.gpu_route_id,
                                         params.gpu_host_id,
                                         GetDeviceScaleFactor());
 }
 
 void BrowserPlugin::OnCompositorFrameSwapped(const IPC::Message& message) {
   BrowserPluginMsg_CompositorFrameSwapped::Param param;
   if (!BrowserPluginMsg_CompositorFrameSwapped::Read(&message, &param))
     return;
   scoped_ptr<cc::CompositorFrame> frame(new cc::CompositorFrame);
@@ skipping 948 matching lines @@
     const blink::WebMouseEvent& event) {
   browser_plugin_manager()->Send(
       new BrowserPluginHostMsg_HandleInputEvent(render_view_routing_id_,
                                                 guest_instance_id_,
                                                 plugin_rect_,
                                                 &event));
   return true;
 }
 
 }  // namespace content