Adds a new UMA histogram to measure the NTP load time since navigation

chrome/browser/resources/local_ntp/most_visited_title.js

Index: chrome/browser/resources/local_ntp/most_visited_title.js
diff --git a/chrome/browser/resources/local_ntp/most_visited_title.js b/chrome/browser/resources/local_ntp/most_visited_title.js
index 223afeee026a3816bd5ecc1cb26cbe0dfe3ea330..901bf9d1b6110ff9eef139c08b74a9311b67abfd 100644
--- a/chrome/browser/resources/local_ntp/most_visited_title.js
+++ b/chrome/browser/resources/local_ntp/most_visited_title.js
@@ -17,3 +17,8 @@ window.addEventListener('DOMContentLoaded', function() {
             data.provider));
   });
 });
+
+window.addEventListener('load', function() {
+ chrome.embeddedSearch.newTabPage.logEvent(
+   NTP_LOGGING_EVENT_TYPE.NTP_TILE_LOADED);

[Dan Beam, 2015/03/17 01:18:46]

+\s\s

[fserb, 2015/03/17 16:02:17]

Done.

+});