Fixed Chrome JavaScript.

chrome/auth.js

@@ -0,0 +1,3 @@
+// Send the hash to complete the authorization
+chrome.extension.sendRequest({ command: 'authorize',
+                               hash: window.location.hash });

chrome/background.html

@@ -11,9 +11,16 @@
 StackAlert.PerformUpdate();
 
 // Listen for requests to update the data
-chrome.extension.onRequest.addListener(function() {
+chrome.extension.onRequest.addListener(function(request, sender) {
 
-    StackAlert.PerformUpdate();
+    // The command to perform is listed in request
+    if(request.command == 'update')
+        StackAlert.PerformUpdate();
+    else if(request.command == 'authorize') {
+        StackAlert.CompleteAuthorization(request.hash);
+        chrome.tabs.remove(sender.tab.id);
+        StackAlert.PerformUpdate();
+    }
 
 });
 

chrome/manifest.json

@@ -1,6 +1,6 @@
 {
     "name": "Stack Alert",
-    "version": "0.18",
+    "version": "0.21",
     "description": "Monitors the inbox of a Stack Exchange account for new items.",
     "icons": { "16":  "icon16.png",
                "48":  "icon48.png",
@@ -13,7 +13,16 @@
         "default_icon": "badge.png",
         "popup": "popup.html"
     },
+    "content_scripts": [
+      {
+        "matches": ["https://stackexchange.com/oauth/login_success*"],
+        "js": ["auth.js"]
+      }
+    ],
+
     "permissions": [
-        "https://api.stackexchange.com/"
+        "https://api.stackexchange.com/",
+        "notifications",
+        "tabs"
     ]
 }

common/stackalert.js

@@ -432,7 +432,7 @@ var StackAlert = {
             button.addEventListener('click', function() {
 
                 StackAlert.ResetError();
-                window.reload();
+                location.href = location.href;
 
             }, true);