Remove implicit conversions from scoped_refptr to T* in chrome/

chrome/browser/supervised_user/supervised_user_settings_service.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/supervised_user/supervised_user_settings_service.h"
 
 #include "base/callback.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/prefs/json_pref_store.h"
@@ skipping 53 matching lines @@
       path, sequenced_task_runner, scoped_ptr<PrefFilter>());
   Init(store);
   if (load_synchronously)
     store_->ReadPrefs();
   else
     store_->ReadPrefsAsync(NULL);
 }
 
 void SupervisedUserSettingsService::Init(
     scoped_refptr<PersistentPrefStore> store) {
-  DCHECK(!store_);
+  DCHECK(!store_.get());
   store_ = store;
   store_->AddObserver(this);
 }
 
 void SupervisedUserSettingsService::Subscribe(
     const SettingsCallback& callback) {
   if (IsReady()) {
     scoped_ptr<base::DictionaryValue> settings = GetSettings();
     callback.Run(settings.get());
   }
@@ skipping 292 matching lines @@
 void SupervisedUserSettingsService::InformSubscribers() {
   if (!IsReady())
     return;
 
   scoped_ptr<base::DictionaryValue> settings = GetSettings();
   for (std::vector<SettingsCallback>::iterator it = subscribers_.begin();
        it != subscribers_.end(); ++it) {
     it->Run(settings.get());
   }
 }