Revert of Hook up the Push API with GCM's new ability to own encryption keys.

components/gcm_driver/gcm_driver_desktop.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 "components/gcm_driver/gcm_driver_desktop.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 486 matching lines @@
     scoped_ptr<GCMClientFactory> gcm_client_factory,
     const GCMClient::ChromeBuildInfo& chrome_build_info,
     const std::string& channel_status_request_url,
     const std::string& user_agent,
     PrefService* prefs,
     const base::FilePath& store_path,
     const scoped_refptr<net::URLRequestContextGetter>& request_context,
     const scoped_refptr<base::SequencedTaskRunner>& ui_thread,
     const scoped_refptr<base::SequencedTaskRunner>& io_thread,
     const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner)
-    : GCMDriver(store_path, blocking_task_runner),
-      gcm_channel_status_syncer_(
+    : gcm_channel_status_syncer_(
           new GCMChannelStatusSyncer(this,
                                      prefs,
                                      channel_status_request_url,
                                      user_agent,
                                      request_context)),
       signed_in_(false),
       gcm_started_(false),
       gcm_enabled_(true),
       connected_(false),
       account_mapper_(new GCMAccountMapper(this)),
@@ skipping 779 matching lines @@
 
   if (base::get<1>(a) < base::get<1>(b))
     return true;
   if (base::get<1>(a) > base::get<1>(b))
     return false;
 
   return base::get<2>(a) < base::get<2>(b);
 }
 
 }  // namespace gcm