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 dffb9715f3c21241c3d6061888e6d4e8cce8d7af..0ec3d9d05ce69f266e33bb517819aa9aa3620893 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -103,6 +103,10 @@ class CONTENT_EXPORT WebContentsImpl
   static webkit_glue::WebPreferences GetWebkitPrefs(
       content::RenderViewHost* rvh, const GURL& url);
 
+  // Creates a swapped out RenderView in the guest render process

[nasko, 2012/10/02 17:52:31]

This is used to create both swapped out RVs in the two processes, correct? Can
we drop the ForGuest piece, as it is generic enough method that just creates
swapped out RVs.

[Fady Samuel, 2012/10/02 22:04:08]

Yes, done.

+  // 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,