Reland reverted patch once the webkit tests that were failing are

chrome/browser/notifications/persistent_notification_handler.cc

Index: chrome/browser/notifications/persistent_notification_handler.cc
diff --git a/chrome/browser/notifications/persistent_notification_handler.cc b/chrome/browser/notifications/persistent_notification_handler.cc
index 47cd8b17ed42e8bf8cf3198f8a34b0069e902eea..8094723f318a2a566aff0caeb9f3c40eac732bdc 100644
--- a/chrome/browser/notifications/persistent_notification_handler.cc
+++ b/chrome/browser/notifications/persistent_notification_handler.cc
@@ -45,3 +45,9 @@ void PersistentNotificationHandler::OnClick(
 void PersistentNotificationHandler::OpenSettings(Profile* profile) {
   NotificationCommon::OpenNotificationSettings(profile);
 }
+
+bool PersistentNotificationHandler::ShouldDisplayOnFullScreen(
+    Profile* profile,
+    const std::string& origin) {
+  return NotificationCommon::ShouldDisplayOnFullScreen(profile, GURL(origin));
+}