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

chrome/browser/chromeos/settings/cros_settings.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/settings/cros_settings.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
@@ skipping 32 matching lines @@
 CrosSettings* CrosSettings::Get() {
   CHECK(g_cros_settings);
   return g_cros_settings;
 }
 
 CrosSettings::CrosSettings(DeviceSettingsService* device_settings_service) {
   CrosSettingsProvider::NotifyObserversCallback notify_cb(
       base::Bind(&CrosSettings::FireObservers,
                  // This is safe since |this| is never deleted.
                  base::Unretained(this)));
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kStubCrosSettings)) {
     AddSettingsProvider(new StubCrosSettingsProvider(notify_cb));
   } else {
     AddSettingsProvider(
         new DeviceSettingsProvider(notify_cb, device_settings_service));
   }
   // System settings are not mocked currently.
   AddSettingsProvider(new SystemSettingsProvider(notify_cb));
 }
 
@@ skipping 257 matching lines @@
 
 ScopedTestCrosSettings::ScopedTestCrosSettings() {
   CrosSettings::Initialize();
 }
 
 ScopedTestCrosSettings::~ScopedTestCrosSettings() {
   CrosSettings::Shutdown();
 }
 
 }  // namespace chromeos