NTP: Hide "Make this my home page" after setting the home page....

chrome/browser/resources/new_new_tab.js

 
 // Helpers
 
 // TODO(arv): Remove these when classList is available in HTML5.
 // https://bugs.webkit.org/show_bug.cgi?id=20709
 function hasClass(el, name) {
   return el.nodeType == 1 && el.className.split(/\s+/).indexOf(name) != -1;
 }
 
 function addClass(el, name) {
@@ skipping 1218 matching lines @@
 // Whether or not we should send the initial 'GetSyncMessage' to the backend
 // depends on the value of the attribue 'syncispresent' which the backend sets
 // to indicate if there is code in the backend which is capable of processing
 // this message. This attribute is loaded by the JSTemplate and therefore we
 // must make sure we check the attribute after the DOM is loaded.
 document.addEventListener('DOMContentLoaded',
                           callGetSyncMessageIfSyncIsPresent);
 
 // This link allows user to make new tab page as homepage from the new tab
 // page itself (without going to Options dialog box).
-document.addEventListener('DOMContentLoaded', showSetAsHomepageLink);
+document.addEventListener('DOMContentLoaded', showSetAsHomePageLink);
 
 /**
  * The sync code is not yet built by default on all platforms so we have to
  * make sure we don't send the initial sync message to the backend unless the
  * backend told us that the sync code is present.
  */
 function callGetSyncMessageIfSyncIsPresent() {
   if (document.documentElement.getAttribute('syncispresent') == 'true') {
     chrome.send('GetSyncMessage');
   }
 }
 
 function setAsHomePageLinkClicked(e) {
-  chrome.send('SetHomepageLinkClicked');
+  chrome.send('setHomePage');
   e.preventDefault();
 }
 
-function showSetAsHomepageLink() {
-  var setAsHomepageElement = $('set-as-homepage');
-  var style = setAsHomepageElement.style;
+function showSetAsHomePageLink() {
+  var setAsHomePageElement = $('set-as-home-page');
+  var style = setAsHomePageElement.style;
   if (document.documentElement.getAttribute('showsetashomepage') != 'true') {
     // Hide the section (if new tab page is already homepage).
     return;
   }
 
   style.display = 'block';
-  var buttonElement = setAsHomepageElement.firstElementChild;
+  var buttonElement = setAsHomePageElement.firstElementChild;
   buttonElement.addEventListener('click', setAsHomePageLinkClicked);
 }
 
+function onHomePageSet(data) {
+  $('set-as-home-page').style.display = 'none';
+  showNotification(data[0], data[1]);
+}
+
 function hideAllMenus() {
   optionMenu.hide();
 }
 
 window.addEventListener('blur', hideAllMenus);
 window.addEventListener('keydown', function(e) {
   if (e.keyIdentifier == 'Alt' || e.keyIdentifier == 'Meta') {
     hideAllMenus();
   }
 }, true);
@@ skipping 295 matching lines @@
 function fixLinkUnderline(el) {
   var span = document.createElement('span');
   span.className = 'link-color';
   while (el.hasChildNodes()) {
     span.appendChild(el.firstChild);
   }
   el.appendChild(span);
 }
 
 updateAttribution();