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

chrome/browser/extensions/extension_assets_manager_chromeos.cc

 // Copyright (c) 2014 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/extensions/extension_assets_manager_chromeos.h"
 
 #include <map>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 235 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   ExtensionService* extension_service =
       ExtensionSystem::Get(profile)->extension_service();
   return extension_service->GetFileTaskRunner();
 }
 
 // static
 bool ExtensionAssetsManagerChromeOS::CanShareAssets(
     const Extension* extension,
     const base::FilePath& unpacked_extension_root) {
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           chromeos::switches::kEnableExtensionAssetsSharing)) {
     return false;
   }
 
   GURL update_url = ManifestURL::GetUpdateURL(extension);
   if (!update_url.is_empty() &&
       !extension_urls::IsWebstoreUpdateUrl(update_url)) {
     return false;
   }
 
@@ skipping 299 matching lines @@
           std::make_pair(id, base::FilePath(shared_path)));
     } else {
       extension_info->RemoveWithoutPathExpansion(*it, NULL);
     }
   }
 
   return true;
 }
 
 }  // namespace extensions