Make callers of CommandLine use it via the base:: namespace.

chrome/browser/prefs/chrome_pref_service_factory.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/prefs/chrome_pref_service_factory.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 379 matching lines @@
 #if defined(ENABLE_SUPERVISED_USERS)
   if (supervised_user_settings) {
     factory->set_supervised_user_prefs(
         make_scoped_refptr(
             new SupervisedUserPrefStore(supervised_user_settings)));
   }
 #endif
 
   factory->set_async(async);
   factory->set_extension_prefs(extension_prefs);
-  factory->set_command_line_prefs(
-      make_scoped_refptr(
-          new CommandLinePrefStore(CommandLine::ForCurrentProcess())));
+  factory->set_command_line_prefs(make_scoped_refptr(
+      new CommandLinePrefStore(base::CommandLine::ForCurrentProcess())));
   factory->set_read_error_callback(base::Bind(&HandleReadError));
   factory->set_user_prefs(user_pref_store);
 }
 
 }  // namespace
 
 namespace chrome_prefs {
 
 namespace internals {
 
@@ skipping 98 matching lines @@
 
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   ProfilePrefStoreManager::RegisterProfilePrefs(registry);
 }
 
 void RegisterPrefs(PrefRegistrySimple* registry) {
   ProfilePrefStoreManager::RegisterPrefs(registry);
 }
 
 }  // namespace chrome_prefs