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

chrome/browser/search/most_visited_iframe_source.cc

 // 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.
 
 #include "chrome/browser/search/most_visited_iframe_source.h"
 
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/common/url_constants.h"
@@ skipping 42 matching lines @@
     SendResource(IDR_MOST_VISITED_TITLE_HTML, callback);
   } else if (path == kTitleCSSPath) {
     SendResource(IDR_MOST_VISITED_TITLE_CSS, callback);
   } else if (path == kTitleJSPath) {
     SendResource(IDR_MOST_VISITED_TITLE_JS, callback);
   } else if (path == kThumbnailHTMLPath) {
     SendResource(IDR_MOST_VISITED_THUMBNAIL_HTML, callback);
   } else if (path == kThumbnailCSSPath) {
     SendResource(IDR_MOST_VISITED_THUMBNAIL_CSS, callback);
   } else if (path == kThumbnailJSPath) {
-    SendResource(IDR_MOST_VISITED_THUMBNAIL_JS, callback);
+    SendJSWithOrigin(IDR_MOST_VISITED_THUMBNAIL_JS, render_process_id,
+                     render_frame_id, callback);
   } else if (path == kUtilJSPath) {
     SendResource(IDR_MOST_VISITED_UTIL_JS, callback);
   } else if (path == kCommonCSSPath) {
     SendResource(IDR_MOST_VISITED_IFRAME_CSS, callback);
   } else if (path == kLogHTMLPath) {
     // Log the clicked MostVisited element by position.
     std::string str_position;
     int position;
     if (net::GetValueForKeyInQuery(url, "pos", &str_position) &&
         base::StringToInt(str_position, &position)) {
@@ skipping 35 matching lines @@
       base::Histogram::kUmaTargetedHistogramFlag);
   counter->Add(position);
 }
 
 // static
 std::string MostVisitedIframeSource::GetHistogramNameForProvider(
     const std::string& provider) {
   return base::StringPrintf(kMostVisitedHistogramWithProvider,
                             provider.c_str());
 }