chrome UI: change UI string "Last Updated" to "Build Date".

chrome/browser/resources/help/help.js

Index: chrome/browser/resources/help/help.js
diff --git a/chrome/browser/resources/help/help.js b/chrome/browser/resources/help/help.js
index ba609bc0e7b4562cde6d8b57028165a64330be04..44d8f9d226f39f1dbb9a7433dcc22bd0d18a9958 100644
--- a/chrome/browser/resources/help/help.js
+++ b/chrome/browser/resources/help/help.js
@@ -230,13 +230,13 @@ cr.define('help', function() {
     },
 
     /**
-     * Sets the value of the "Last Updated" field of the "More Info" section.
-     * @param {String} lastUpdated The date of the last update.
+     * Sets the value of the "Build Date" field of the "More Info" section.
+     * @param {String} buildDate The date of the build.
      * @private
      */
-    setLastUpdated_: function(lastUpdated) {
-      $('last-updated-container').classList.remove('empty');
-      $('last-updated').textContent = lastUpdated;
+    setBuildDate_: function(buildDate) {
+      $('build-date-container').classList.remove('empty');
+      $('build-date').textContent = buildDate;
     },
   };
 
@@ -280,8 +280,8 @@ cr.define('help', function() {
     HelpPage.getInstance().setReleaseChannel_(channel);
   };
 
-  HelpPage.setLastUpdated = function(lastUpdated) {
-    HelpPage.getInstance().setLastUpdated_(lastUpdated);
+  HelpPage.setBuildDate = function(buildDate) {
+    HelpPage.getInstance().setBuildDate_(buildDate);
   }
 
   // Export