Reject push registrations when no sender Id has been provided.

chrome/browser/services/gcm/push_messaging_browsertest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <map>
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 150 matching lines @@
   ASSERT_TRUE(RunScript("registerServiceWorker()", &script_result));
   ASSERT_EQ("ok - service worker registered", script_result);
 
   InfoBarResponder cancelling_responder(browser(), false);
 
   ASSERT_TRUE(RunScript("registerPush()", &script_result));
   EXPECT_EQ("AbortError - Registration failed - permission denied",
             script_result);
 }
 
+IN_PROC_BROWSER_TEST_F(PushMessagingBrowserTest, RegisterFailureNoSenderId) {
+  std::string script_result;
+
+  ASSERT_TRUE(RunScript("registerServiceWorker()", &script_result));
+  ASSERT_EQ("ok - service worker registered", script_result);
+
+  InfoBarResponder accepting_responder(browser(), true);
+
+  ASSERT_TRUE(RunScript("removeManifest()", &script_result));
+  ASSERT_EQ("ok", script_result);
+
+  ASSERT_TRUE(RunScript("registerPush()", &script_result));
+  EXPECT_EQ("AbortError - Registration failed - no sender id provided",
+            script_result);
+}
+
 IN_PROC_BROWSER_TEST_F(PushMessagingBrowserTest, PushEventSuccess) {
   std::string script_result;
 
   ASSERT_TRUE(RunScript("registerServiceWorker()", &script_result));
   ASSERT_EQ("ok - service worker registered", script_result);
 
   InfoBarResponder accepting_responder(browser(), true);
 
   ASSERT_TRUE(RunScript("registerPush()", &script_result));
   EXPECT_EQ(std::string(kPushMessagingEndpoint) + " - 1", script_result);
@@ skipping 13 matching lines @@
   GCMClient::IncomingMessage message;
   GCMClient::MessageData messageData;
   messageData.insert(std::pair<std::string, std::string>("data", "testdata"));
   message.data = messageData;
   push_service()->OnMessage(app_id.ToString(), message);
   ASSERT_TRUE(RunScript("pushData.get()", &script_result));
   EXPECT_EQ("testdata", script_result);
 }
 
 }  // namespace gcm