Revert of Add GCMChannelStatusSyncer to schedule requests and enable/disable GCM

components/gcm_driver/gcm_channel_status_syncer.h

Index: components/gcm_driver/gcm_channel_status_syncer.h
diff --git a/components/gcm_driver/gcm_channel_status_syncer.h b/components/gcm_driver/gcm_channel_status_syncer.h
deleted file mode 100644
index 83cfbda30cbf3b500d890420880ecbad81610e67..0000000000000000000000000000000000000000
--- a/components/gcm_driver/gcm_channel_status_syncer.h
+++ /dev/null
@@ -1,98 +0,0 @@
-// 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 COMPONENTS_GCM_DRIVER_GCM_CHANNEL_STATUS_SYNCER_H_
-#define COMPONENTS_GCM_DRIVER_GCM_CHANNEL_STATUS_SYNCER_H_
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/time/time.h"
-
-class PrefService;
-class PrefRegistrySimple;
-
-namespace net {
-class URLRequestContextGetter;
-}
-
-namespace user_prefs {
-class PrefRegistrySyncable;
-}
-
-namespace gcm {
-
-class GCMChannelStatusRequest;
-class GCMDriver;
-
-// Syncing with the server for GCM channel status that controls if GCM
-// functionality should be enabled or disabled.
-class GCMChannelStatusSyncer {
- public:
-  static void RegisterPrefs(PrefRegistrySimple* registry);
-  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
-
-  GCMChannelStatusSyncer(
-      GCMDriver* driver,
-      PrefService* prefs,
-      const scoped_refptr<net::URLRequestContextGetter>& request_context);
-  ~GCMChannelStatusSyncer();
-
-  void EnsureStarted();
-  void Stop();
-
-  bool gcm_enabled() const { return gcm_enabled_; }
-
-  // For testing purpose.
-  void set_delay_removed_for_testing(bool delay_removed) {
-    delay_removed_for_testing_ = delay_removed;
-  }
-  base::TimeDelta current_request_delay_interval() const {
-    return current_request_delay_interval_;
-  }
-  static int first_time_delay_seconds();
-
- private:
-  // Called when a request is completed.
-  void OnRequestCompleted(bool enabled, int poll_interval_seconds);
-
-  // Schedules next request to start after appropriate delay.
-  void ScheduleRequest();
-
-  // Creates and starts a request immediately.
-  void StartRequest();
-
-  // Computes and returns a delay with the fuzzing variation added if needed,
-  // after which the request could start.
-  base::TimeDelta GetRequestDelayInterval() const;
-
-  // GCMDriver owns GCMChannelStatusSyncer instance.
-  GCMDriver* driver_;
-  PrefService* prefs_;
-
-  scoped_refptr<net::URLRequestContextGetter> request_context_;
-  scoped_ptr<GCMChannelStatusRequest> request_;
-
-  bool gcm_enabled_;
-  int poll_interval_seconds_;
-  base::Time last_check_time_;
-
-  // The flag that indicates if the delay, including fuzzing variation and poll
-  // interval, is removed for testing purpose.
-  bool delay_removed_for_testing_;
-
-  // Tracked for testing purpose.
-  base::TimeDelta current_request_delay_interval_;
-
-  // Used to pass a weak pointer to a task.
-  base::WeakPtrFactory<GCMChannelStatusSyncer> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(GCMChannelStatusSyncer);
-};
-
-}  // namespace gcm
-
-#endif  // COMPONENTS_GCM_DRIVER_GCM_CHANNEL_STATUS_SYNCER_H_