Queue postMessage messages destined for a MimeHandlerView guest

content/public/browser/browser_plugin_guest_delegate.h

 // Copyright 2013 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_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
 
 #include "base/callback_forward.h"
 #include "base/process/kill.h"
 #include "content/common/content_export.h"
@@ skipping 63 matching lines @@
   // it is about to be destroyed.
   typedef base::Callback<void()> DestructionCallback;
   virtual void RegisterDestructionCallback(
       const DestructionCallback& callback) {}
 
   // Find the given |search_text| in the page. Returns true if the find request
   // is handled by this browser plugin guest delegate.
   virtual bool Find(int request_id,
                     const base::string16& search_text,
                     const blink::WebFindOptions& options);
+
+  // Called after the guest's JavaScript onload function has completed.
+  virtual void DocumentOnLoadCompleted(int guest_proxy_routing_id) {}

[Fady Samuel, 2014/12/19 03:28:25]

Is this necessary? GuestViewBase is a WebContentsObserver.

 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_