PushMessagingBrowserTest for registration success and failure

chrome/browser/services/gcm/push_messaging_service_impl.cc

Index: chrome/browser/services/gcm/push_messaging_service_impl.cc
diff --git a/chrome/browser/services/gcm/push_messaging_service_impl.cc b/chrome/browser/services/gcm/push_messaging_service_impl.cc
index ec7b461420d340288fffabedf7ac30dc566b2b98..81e3053d2ed95f6d979ee5f67e77e6ebdf85a00d 100644
--- a/chrome/browser/services/gcm/push_messaging_service_impl.cc
+++ b/chrome/browser/services/gcm/push_messaging_service_impl.cc
@@ -257,6 +257,10 @@ void PushMessagingServiceImpl::DidRegister(
   RegisterEnd(callback, registration_id, status);
 }
 
+void PushMessagingServiceImpl::SetProfileForTesting(Profile* profile) {
+  profile_ = profile;
+}
+
 void PushMessagingServiceImpl::DidRequestPermission(
     const PushMessagingApplicationId& application_id,
     const std::string& sender_id,