Fix Gmail Checker to update on reference fragment navigations, so the unread

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

Index: chrome/common/extensions/docs/examples/extensions/gmail/background.js
diff --git a/chrome/common/extensions/docs/examples/extensions/gmail/background.js b/chrome/common/extensions/docs/examples/extensions/gmail/background.js
index 8f26bfed9faab3bc64530d430f7eb307f087408e..b77d70610f7610ed1dfbfc936e648371aa04087a 100644
--- a/chrome/common/extensions/docs/examples/extensions/gmail/background.js
+++ b/chrome/common/extensions/docs/examples/extensions/gmail/background.js
@@ -324,13 +324,16 @@ var filters = {
   url: [{urlContains: getGmailUrl().replace(/^https?\:\/\//, '')}]
 };
 
-chrome.webNavigation.onDOMContentLoaded.addListener(function(changeInfo) {
-  if (changeInfo.url && isGmailUrl(changeInfo.url)) {
-    console.log('Recognized Gmail navigation to: ' + changeInfo.url + '.' +
+function onNavigate(details) {
+  if (details.url && isGmailUrl(details.url)) {
+    console.log('Recognized Gmail navigation to: ' + details.url + '.' +
                 'Refreshing count...');
     startRequest({scheduleRequest:false, showLoadingAnimation:false});
   }
-}, filters);
+}
+chrome.webNavigation.onDOMContentLoaded.addListener(onNavigate, filters);
+chrome.webNavigation.onReferenceFragmentUpdated.addListener(

[Aaron Boodman, 2012/09/25 21:38:14]

This doesn't exist on Chrome 21, so it's going to throw here. You need to
feature detect it.

It would be good to fall back to tabs.onUpdated in that case.

[Matt Perry, 2012/09/25 21:57:40]

It exists, even on stable:
http://developer.chrome.com/stable/extensions/webNavigation.html#event-onRefe...

[Matt Perry, 2012/09/25 22:09:08]

I added a feature detect anyway, just to be paranoid.

+    onNavigate, filters);
 
 chrome.browserAction.onClicked.addListener(goToInbox);