Browser Plugin: Add HTML5-like postMessage support

content/browser/web_contents/web_contents_impl.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_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <string>
 
@@ skipping 82 matching lines @@
 
   // Creates a WebContents to be used as a browser plugin guest.
   static WebContentsImpl* CreateGuest(content::BrowserContext* browser_context,
                                       const std::string& host,
                                       int guest_instance_id);
 
   // Returns the content specific prefs for the given RVH.
   static webkit_glue::WebPreferences GetWebkitPrefs(
       content::RenderViewHost* rvh, const GURL& url);
 
+  // Creates a swapped out RenderView in the guest render process
+  // to allow the guest to postMessage back to its embedder.
+  int CreateSwappedOutRenderViewForGuest(content::SiteInstance* instance);
+
   // Complex initialization here. Specifically needed to avoid having
   // members call back into our virtual functions in the constructor.
   virtual void Init(content::BrowserContext* browser_context,
                     content::SiteInstance* site_instance,
                     int routing_id,
                     const content::WebContents* base_web_contents);
 
   // Returns the SavePackage which manages the page saving job. May be NULL.
   SavePackage* save_package() const { return save_package_.get(); }
 
@@ skipping 744 matching lines @@
   content::NotificationRegistrar registrar_;
 
   // Used during IPC message dispatching so that the handlers can get a pointer
   // to the RVH through which the message was received.
   content::RenderViewHost* message_source_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_