Spruce up gmail checker for event pages.

chrome/common/extensions/docs/examples/extensions/gmail/options.js

Index: chrome/common/extensions/docs/examples/extensions/gmail/options.js
diff --git a/chrome/common/extensions/docs/examples/extensions/gmail/options.js b/chrome/common/extensions/docs/examples/extensions/gmail/options.js
index c862c6b301cfd66061fcd305fddd16c3aa578591..0514b7e0048635869c4d2e4f2e3e1b1676dc8b6c 100644
--- a/chrome/common/extensions/docs/examples/extensions/gmail/options.js
+++ b/chrome/common/extensions/docs/examples/extensions/gmail/options.js
@@ -4,10 +4,12 @@
 
 var customDomainsTextbox;
 var saveButton;
+var cancelButton;
 
 function init() {
   customDomainsTextbox = document.getElementById("custom-domain");
   saveButton = document.getElementById("save-button");
+  cancelButton = document.getElementById("cancel-button");
 
   customDomainsTextbox.value = localStorage.customDomain || "";
   markClean();
@@ -16,8 +18,12 @@ function init() {
 function save() {
   localStorage.customDomain = customDomainsTextbox.value;

[not at google - send to devlin, 2012/08/07 02:48:33]

use storage.sync?

   markClean();
-
-  chrome.extension.getBackgroundPage().init();
+  chrome.runtime.getBackgroundPage(function(backgroundPage) {
+    backgroundPage.startRequest({
+      scheduleRequest:false,
+      showLoadingAnimation:true
+    });
+  });
 }
 
 function markDirty() {
@@ -30,8 +36,7 @@ function markClean() {
 
 document.addEventListener('DOMContentLoaded', function () {
   init();
-  document.querySelector('#cancel-button').addEventListener('DOMContentLoaded',
-                                                            init);
-  document.querySelector('#save-button').addEventListener('DOMContentLoaded',
-                                                          save);
+  saveButton.addEventListener('click', save);
+  cancelButton.addEventListener('click', init);
+  customDomainsTextbox.addEventListener('input', markDirty);
 });