[Most Visited] Log suggestion provider to UMA

chrome/browser/resources/local_ntp/most_visited_thumbnail.js

Index: chrome/browser/resources/local_ntp/most_visited_thumbnail.js
diff --git a/chrome/browser/resources/local_ntp/most_visited_thumbnail.js b/chrome/browser/resources/local_ntp/most_visited_thumbnail.js
index 9e11959798c9ac9b4311911849bbcc3768865fd8..24b6f71ea47b3626e7191420dc58b6c9b36b3345 100644
--- a/chrome/browser/resources/local_ntp/most_visited_thumbnail.js
+++ b/chrome/browser/resources/local_ntp/most_visited_thumbnail.js
@@ -17,7 +17,7 @@ window.addEventListener('DOMContentLoaded', function() {
     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);
@@ -27,7 +27,7 @@ window.addEventListener('DOMContentLoaded', function() {
     // 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);
     }
@@ -37,7 +37,7 @@ window.addEventListener('DOMContentLoaded', 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