[GCM] Remove the requirement for manifest key

chrome/browser/services/gcm/gcm_client_mock.cc

 // Copyright 2013 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 "chrome/browser/services/gcm/gcm_client_mock.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/sys_byteorder.h"
@@ skipping 41 matching lines @@
       base::Bind(&GCMClientMock::CheckinFinished,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 void GCMClientMock::CheckOut() {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
   status_ = CHECKED_OUT;
 }
 
 void GCMClientMock::Register(const std::string& app_id,
-                             const std::string& cert,
                              const std::vector<std::string>& sender_ids) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
 
   std::string registration_id;
   if (error_simulation_ == ALWAYS_SUCCEED)
     registration_id = GetRegistrationIdFromSenderIds(sender_ids);
 
   base::MessageLoop::current()->PostTask(
       FROM_HERE,
       base::Bind(&GCMClientMock::RegisterFinished,
@@ skipping 110 matching lines @@
     delegate_->OnMessagesDeleted(app_id);
 }
 
 void GCMClientMock::MessageSendError(const std::string& app_id,
                                      const std::string& message_id) {
   if (delegate_)
     delegate_->OnMessageSendError(app_id, message_id, NETWORK_ERROR);
 }
 
 }  // namespace gcm