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

chromeos/settings/cros_settings_provider.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 "chromeos/settings/cros_settings_provider.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "chromeos/chromeos_switches.h"
 
 namespace chromeos {
 
 CrosSettingsProvider::CrosSettingsProvider(
     const NotifyObserversCallback& notify_cb)
   : notify_cb_(notify_cb) {
 }
 
 CrosSettingsProvider::~CrosSettingsProvider() {
 }
 
 void CrosSettingsProvider::Set(const std::string& path,
                                const base::Value& value) {
   // We don't allow changing any of the cros settings without prefix
   // "cros.session." in the guest mode.
   // It should not reach here from UI in the guest mode, but just in case.
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kGuestSession) &&
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kGuestSession) &&
       !::StartsWithASCII(path, "cros.session.", true)) {
     LOG(ERROR) << "Ignoring the guest request to change: " << path;
     return;
   }
   DoSet(path, value);
 }
 
 void CrosSettingsProvider::NotifyObservers(const std::string& path) {
   if (!notify_cb_.is_null())
     notify_cb_.Run(path);
 }
 
 void CrosSettingsProvider::SetNotifyObserversCallback(
     const NotifyObserversCallback& notify_cb) {
   notify_cb_ = notify_cb;
 }
 
 };  // namespace chromeos