Push API: Fix unsubscribing from GCM on Android

content/shell/browser/layout_test/layout_test_push_messaging_service.h

 // 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.
 
 #ifndef CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_PUSH_MESSAGING_SERVICE_H_
 #define CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_PUSH_MESSAGING_SERVICE_H_
 
 #include <map>
 #include <set>
 
@@ skipping 24 matching lines @@
   void RegisterFromWorker(
       const GURL& requesting_origin,
       int64 service_worker_registration_id,
       const std::string& sender_id,
       const PushMessagingService::RegisterCallback& callback) override;
   blink::WebPushPermissionStatus GetPermissionStatus(
       const GURL& requesting_origin,
       const GURL& embedding_origin) override;
   void Unregister(const GURL& requesting_origin,
                   int64 service_worker_registration_id,
+                  const std::string& sender_id,
                   bool retry_on_failure,
                   const UnregisterCallback& callback) override;
 
  private:
   // Map from origin to permission status.
   std::map<GURL, blink::WebPushPermissionStatus> permission_map_;
 
   DISALLOW_COPY_AND_ASSIGN(LayoutTestPushMessagingService);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_PUSH_MESSAGING_SERVICE_H_