Browser Plugin: Add HTML5-like postMessage support

content/browser/browser_plugin/browser_plugin_embedder_helper.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_BROWSER_PLUGIN_BROWSER_PLUGIN_EMBEDDER_HELPER_H_
 #define CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_EMBEDDER_HELPER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
+#include "base/string16.h"
 #include "content/public/browser/render_view_host_observer.h"
 
 namespace IPC {
 class Message;
 class SyncMessage;
 }
 
 namespace gfx {
 class Size;
 }
 
 struct BrowserPluginHostMsg_ResizeGuest_Params;
+struct ViewMsg_PostMessage_Params;
 
 namespace content {
 
 class BrowserPluginEmbedder;
 class RenderViewHost;
 
 // Helper for browser plugin embedder.
 //
 // A lot of messages coming from guests need to know the guest's RenderViewHost.
 // BrowserPluginEmbedderHelper handles BrowserPluginHostMsg messages and
@@ skipping 20 matching lines @@
   // Message handlers.
   void OnNavigateGuest(int instance_id,
                        const std::string& src,
                        const BrowserPluginHostMsg_ResizeGuest_Params& params);
   void OnResizeGuest(int instance_id,
                      const BrowserPluginHostMsg_ResizeGuest_Params& params);
   void OnUpdateRectACK(int instance_id, int message_id, const gfx::Size& size);
   void OnHandleInputEvent(const IPC::SyncMessage& message, bool* handled);
   void OnSetFocus(int instance_id, bool focused);
   void OnPluginDestroyed(int instance_id);
+  void OnRouteMessageEvent(const ViewMsg_PostMessage_Params& params);
   void OnGo(int instance_id, int relative_index);
   void OnStop(int instance_id);
   void OnReload(int instance_id);
 
   BrowserPluginEmbedder* embedder_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginEmbedderHelper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_EMBEDDER_HELPER_H_