Remove dependency of PrefSyncableService on Profile.

chrome/browser/prefs/synced_pref_change_registrar.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/prefs/synced_pref_change_registrar.h"
 
 #include "base/bind.h"
 
 namespace {
 
 void InvokeUnnamedCallback(
     const SyncedPrefChangeRegistrar::ChangeCallback& callback,
     const std::string& path,
     bool from_sync) {
   callback.Run(from_sync);
 }
 
 }  // namespace
 
 SyncedPrefChangeRegistrar::SyncedPrefChangeRegistrar(
     PrefServiceSyncable* pref_service) {
   pref_service_ = pref_service;
 }
 
 SyncedPrefChangeRegistrar::~SyncedPrefChangeRegistrar() {
   RemoveAll();
 }
 
-void SyncedPrefChangeRegistrar::Add(const char *path,
+void SyncedPrefChangeRegistrar::Add(const char* path,
                                     const ChangeCallback& callback) {
   Add(path, base::Bind(InvokeUnnamedCallback, callback));
 }
 
-void SyncedPrefChangeRegistrar::Add(const char *path,
+void SyncedPrefChangeRegistrar::Add(const char* path,
                                     const NamedChangeCallback& callback) {
   DCHECK(!IsObserved(path));
   observers_[path] = callback;
   pref_service_->AddSyncedPrefObserver(path, this);
 }
 
-void SyncedPrefChangeRegistrar::Remove(const char *path) {
+void SyncedPrefChangeRegistrar::Remove(const char* path) {
   observers_.erase(path);
   pref_service_->RemoveSyncedPrefObserver(path, this);
 }
 
 void SyncedPrefChangeRegistrar::RemoveAll() {
   for (ObserverMap::iterator iter = observers_.begin();
        iter != observers_.end(); ++iter) {
     pref_service_->RemoveSyncedPrefObserver(iter->first, this);
   }
   observers_.clear();
 }
 
 bool SyncedPrefChangeRegistrar::IsObserved(const char* path) const {
   return observers_.find(path) != observers_.end();
 }
 
 void SyncedPrefChangeRegistrar::OnSyncedPrefChanged(const std::string& path,
                                                     bool from_sync) {
   if (pref_service_->IsManagedPreference(path.c_str()))
     return;
   ObserverMap::const_iterator iter = observers_.find(path);
   if (iter == observers_.end())
     return;
   iter->second.Run(path, from_sync);
 }