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

chrome/browser/plugins/plugin_prefs.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/plugins/plugin_prefs.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 232 matching lines @@
   // Check if the plug-in or its group is disabled by policy.
   if (plugin_status == POLICY_DISABLED || group_status == POLICY_DISABLED)
     return false;
 
 #if !defined(DISABLE_NACL)
   // If enabling NaCl, make sure the plugin is also enabled. See bug
   // http://code.google.com/p/chromium/issues/detail?id=81010 for more
   // information.
   // TODO(dspringer): When NaCl is on by default, remove this code.
   if ((plugin.name == base::ASCIIToUTF16(nacl::kNaClPluginName)) &&
-      CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableNaCl)) {
+      base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableNaCl)) {
     return true;
   }
 #endif
 
   base::AutoLock auto_lock(lock_);
   // Check user preferences for the plug-in.
   bool plugin_enabled = false;
   if (plugin_state_.Get(plugin.path, &plugin_enabled))
     return plugin_enabled;
 
@@ skipping 313 matching lines @@
   }
 }
 
 void PluginPrefs::NotifyPluginStatusChanged() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_PLUGIN_ENABLE_STATUS_CHANGED,
       content::Source<Profile>(profile_),
       content::NotificationService::NoDetails());
 }