[Most Visited] Log suggestion provider to UMA

chrome/browser/resources/local_ntp/most_visited_thumbnail.js

 // 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.
 
 
 /**
  * @fileoverview Rendering for iframed most visited thumbnails.
  */
 
 window.addEventListener('DOMContentLoaded', function() {
   'use strict';
 
   fillMostVisited(document.location, function(params, data) {
     function logEvent(eventName) {
       chrome.embeddedSearch.newTabPage.logEvent(eventName);
     }
     function showDomainElement() {
       logEvent(NTP_LOGGING_EVENT_TYPE.NTP_THUMBNAIL_ERROR);
       var link = createMostVisitedLink(
-          params, data.url, data.title, undefined, data.ping);
+          params, data.url, data.title, undefined, data.ping, data.provider);
       var domain = document.createElement('div');
       domain.textContent = data.domain;
       link.appendChild(domain);
       document.body.appendChild(link);
     }
     // Called on intentionally empty tiles for which the visuals are handled
     // externally by the page itself.
     function showEmptyTile() {
       var link = createMostVisitedLink(
-          params, data.url, data.title, undefined, data.ping);
+          params, data.url, data.title, undefined, data.ping, data.provider);
       document.body.appendChild(link);
       logEvent(NTP_LOGGING_EVENT_TYPE.NTP_EXTERNAL_TILE);
     }
     function createAndAppendThumbnail(isVisible) {
       var image = new Image();
       image.onload = function() {
         var shadow = document.createElement('span');
         shadow.classList.add('shadow');
         var link = createMostVisitedLink(
-            params, data.url, data.title, undefined, data.ping);
+            params, data.url, data.title, undefined, data.ping, data.provider);
         link.appendChild(shadow);
         link.appendChild(image);
         // We add 'position: absolute' in anticipation that there could be more
         // than one thumbnail. This will superpose the elements.
         link.style.position = 'absolute';
         document.body.appendChild(link);
       };
       if (!isVisible) {
         image.style.visibility = 'hidden';
       }
@@ skipping 35 matching lines @@
       }
       image.src = data.thumbnailUrl;
       logEvent(NTP_LOGGING_EVENT_TYPE.NTP_THUMBNAIL_ATTEMPT);
     } else if (data.domain) {
       showDomainElement();
     } else {
       showEmptyTile();
     }
   });
 });