[GCM] API update to allow only a single sender in registration

chrome/browser/invalidation/gcm_network_channel_delegate_impl.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 "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 62 matching lines @@
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   // No-op if Profile was destroyed or GCMClient is disabled.
   if (!g_browser_process->profile_manager()->IsValidProfile(profile_))
     return;
 
   gcm::GCMProfileService* gcm_profile_service =
       gcm::GCMProfileServiceFactory::GetForProfile(profile_);
   if (gcm_profile_service == NULL)
     return;
 
-  std::vector<std::string> sender_ids;
-  sender_ids.push_back(kInvalidationsSenderId);
   gcm_profile_service->Register(
       kInvalidationsAppId,
-      sender_ids,
+      kInvalidationsSenderId,
       kInvalidationsCert,
       base::Bind(&RegisterCall::RegisterFinishedOnUIThread, this));
 }
 
 void RegisterCall::RegisterFinishedOnUIThread(
     const std::string& registration_id,
     gcm::GCMClient::Result result) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   origin_thread_task_runner_->PostTask(
       FROM_HERE,
@@ skipping 80 matching lines @@
 
   ProfileOAuth2TokenService* oauth2_token_service =
       ProfileOAuth2TokenServiceFactory::GetForProfile(profile);
   std::string account_id = oauth2_token_service->GetPrimaryAccountId();
   OAuth2TokenService::ScopeSet scopes;
   scopes.insert(GaiaConstants::kGoogleTalkOAuth2Scope);
   oauth2_token_service->InvalidateToken(account_id, scopes, token);
 }
 
 }  // namespace invalidation