Bug 1191008: Display the unsigned notification on the front-most window. r=dao

--HG--
extra : commitid : KEvv9R7OPUt
extra : rebase_source : a721314951bb0dadd5575b2ea326b84aa0ad47c8

browser/components/nsBrowserGlue.js

@@ -1058,16 +1058,6 @@ BrowserGlue.prototype = {
 
     this._checkForOldBuildUpdates();
 
-    let disabledAddons = AddonManager.getStartupChanges(AddonManager.STARTUP_CHANGE_DISABLED);
-    AddonManager.getAddonsByIDs(disabledAddons, (addons) => {
-      for (let addon of addons) {
-        if (addon.signedState <= AddonManager.SIGNEDSTATE_MISSING) {
-          this._notifyUnsignedAddonsDisabled();
-          break;
-        }
-      }
-    });
-
     this._firstWindowTelemetry(aWindow);
   },
 
@@ -1167,6 +1157,16 @@ BrowserGlue.prototype = {
       });
     }
 
+    let disabledAddons = AddonManager.getStartupChanges(AddonManager.STARTUP_CHANGE_DISABLED);
+    AddonManager.getAddonsByIDs(disabledAddons, (addons) => {
+      for (let addon of addons) {
+        if (addon.signedState <= AddonManager.SIGNEDSTATE_MISSING) {
+          this._notifyUnsignedAddonsDisabled();
+          break;
+        }
+      }
+    });
+
     // Perform default browser checking.
     if (ShellService) {
 #ifdef DEBUG