Most visited iframe now postMessage to signal the iframing page that the link has been displayed

chrome/browser/search/iframe_source.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 CHROME_BROWSER_SEARCH_IFRAME_SOURCE_H_
 #define CHROME_BROWSER_SEARCH_IFRAME_SOURCE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "content/public/browser/url_data_source.h"
@@ skipping 17 matching lines @@
 
   // Sends unmodified resource bytes.
   void SendResource(
       int resource_id,
       const content::URLDataSource::GotDataCallback& callback);
 
   // Sends Javascript with an expected postMessage origin interpolated.
   void SendJSWithOrigin(
       int resource_id,
       int render_process_id,
-      int render_view_id,
+      int render_frame_id,
       const content::URLDataSource::GotDataCallback& callback);
 
   // This is exposed for testing and should not be overridden.
-  // Sets |origin| to the URL of the render view identified by |process_id| and
-  // |render_view_id|. Returns true if successful and false if not, for example
-  // if the render view does not exist.
+  // Sets |origin| to the URL of the render frame identified by |process_id| and
+  // |render_frame_id|. Returns true if successful and false if not, for example
+  // if the render frame does not exist.
   virtual bool GetOrigin(
       int process_id,
-      int render_view_id,
+      int render_frame_id,
       std::string* origin) const;
 
   DISALLOW_COPY_AND_ASSIGN(IframeSource);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_IFRAME_SOURCE_H_