Use gpu::Mailbox in IPCs instead of std::string

content/renderer/browser_plugin/browser_plugin.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_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 #define  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPlugin.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process_util.h"
 #include "base/sequenced_task_runner_helpers.h"
 #if defined(OS_WIN)
 #include "base/shared_memory.h"
 #endif
 #include "content/common/browser_plugin/browser_plugin_message_enums.h"
 #include "content/renderer/browser_plugin/browser_plugin_backing_store.h"
 #include "content/renderer/browser_plugin/browser_plugin_bindings.h"
 #include "content/renderer/mouse_lock_dispatcher.h"
 #include "content/renderer/render_view_impl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDragStatus.h"
 
 struct BrowserPluginHostMsg_AutoSize_Params;
 struct BrowserPluginHostMsg_ResizeGuest_Params;
 struct BrowserPluginMsg_LoadCommit_Params;
 struct BrowserPluginMsg_UpdateRect_Params;
 
+namespace gpu {
+struct Mailbox;
+}
+
 namespace content {
 
 class BrowserPluginCompositingHelper;
 class BrowserPluginManager;
 class MockBrowserPlugin;
 
 class CONTENT_EXPORT BrowserPlugin :
     NON_EXPORTED_BASE(public WebKit::WebPlugin),
     public MouseLockDispatcher::LockTarget {
  public:
@@ skipping 263 matching lines @@
   // V8 garbage collection callback for |object|.
   static void WeakCallbackForPersistObject(v8::Isolate* isolate,
                                            v8::Persistent<v8::Value> object,
                                            void* param);
 
   // IPC message handlers.
   // Please keep in alphabetical order.
   void OnAdvanceFocus(int instance_id, bool reverse);
   void OnBuffersSwapped(int instance_id,
                         const gfx::Size& size,
-                        std::string mailbox_name,
+                        gpu::Mailbox mailbox_name,
                         int gpu_route_id,
                         int gpu_host_id);
   void OnGuestContentWindowReady(int instance_id,
                                  int content_window_routing_id);
   void OnGuestGone(int instance_id, int process_id, int status);
   void OnGuestResponsive(int instance_id, int process_id);
   void OnGuestUnresponsive(int instance_id, int process_id);
   void OnLoadAbort(int instance_id,
                    const GURL& url,
                    bool is_top_level,
@@ skipping 94 matching lines @@
   // Weak factory used in v8 |MakeWeak| callback, since the v8 callback might
   // get called after BrowserPlugin has been destroyed.
   base::WeakPtrFactory<BrowserPlugin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPlugin);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_