Remove implicit conversions from scoped_refptr to T* in c/b/chromeos

chrome/browser/chromeos/preferences.cc

 // Copyright (c) 2012 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/chromeos/preferences.h"
 
 #include <vector>
 
 #include "ash/autoclick/autoclick_controller.h"
 #include "ash/magnifier/magnifier_constants.h"
@@ skipping 369 matching lines @@
     session_manager->SetFirstLoginPrefs(profile, std::string(), std::string());
 }
 
 void Preferences::InitUserPrefsForTesting(
     PrefServiceSyncable* prefs,
     const user_manager::User* user,
     scoped_refptr<input_method::InputMethodManager::State> ime_state) {
   user_ = user;
   ime_state_ = ime_state;
 
-  if (ime_state)
+  if (ime_state.get())
     input_method_manager_->SetState(ime_state);
 
   InitUserPrefs(prefs);
 }
 
 void Preferences::SetInputMethodListForTesting() {
   SetInputMethodList();
 }
 
 void Preferences::OnPreferenceChanged(const std::string& pref_name) {
@@ skipping 264 matching lines @@
   touch_hud_projection_enabled_.SetValue(enabled);
 }
 
 void Preferences::ActiveUserChanged(const user_manager::User* active_user) {
   if (active_user != user_)
     return;
   ApplyPreferences(REASON_ACTIVE_USER_CHANGED, "");
 }
 
 }  // namespace chromeos