Browser Plugin: Add HTML5-like postMessage support

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index f87f71d108a5af9da1417ef867faf84274d349dd..6524241ba05bfc3a4df3b55a5ed8e389673d0c79 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -103,6 +103,12 @@ class CONTENT_EXPORT WebContentsImpl
   static webkit_glue::WebPreferences GetWebkitPrefs(
       content::RenderViewHost* rvh, const GURL& url);
 
+  // Creates a swapped out RenderView. This is used by the browser plugin to
+  // create a swapped out RenderView in the embedder render process for the
+  // guest, to expose the guest's window object to the embedder.
+  // This returns the routing ID of the newly created swapped out RenderView.
+  int CreateSwappedOutRenderView(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,