[invalidation] Componentize TiclProfileSettingsProvider

chrome/browser/invalidation/ticl_profile_settings_provider.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 "chrome/browser/invalidation/ticl_profile_settings_provider.h"
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/command_line.h"
-#include "base/prefs/pref_service.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/services/gcm/gcm_profile_service.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/pref_names.h"
-#include "components/gcm_driver/gcm_channel_status_syncer.h"
-
-namespace invalidation {
-
-TiclProfileSettingsProvider::TiclProfileSettingsProvider(Profile* profile)
-    : profile_(profile) {
-  registrar_.Init(profile->GetPrefs());
-  registrar_.Add(
-      prefs::kInvalidationServiceUseGCMChannel,
-      base::Bind(&TiclProfileSettingsProvider::FireOnUseGCMChannelChanged,
-                 base::Unretained(this)));
-  registrar_.Add(
-      gcm::prefs::kGCMChannelStatus,
-      base::Bind(&TiclProfileSettingsProvider::FireOnUseGCMChannelChanged,
-                 base::Unretained(this)));
-}
-
-TiclProfileSettingsProvider::~TiclProfileSettingsProvider() {
-}
-
-bool TiclProfileSettingsProvider::UseGCMChannel() const {
-  if (profile_->GetPrefs()->GetBoolean(
-          prefs::kInvalidationServiceUseGCMChannel)) {
-    // Use GCM channel if it was enabled via prefs.
-    return true;
-  }
-
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kInvalidationUseGCMChannel)) {
-    // Use GCM channel if it was enabled via a command-line switch.
-    return true;
-  }
-
-  // By default, do not use GCM channel.
-  return false;
-}
-
-}  // namespace invalidation