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

chrome/browser/extensions/external_provider_impl.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/extensions/external_provider_impl.h"
 
 #include <set>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 430 matching lines @@
         new ExternalProviderImpl(service,
                                  external_recommended_loader,
                                  profile,
                                  crx_location,
                                  Manifest::EXTERNAL_PREF_DOWNLOAD,
                                  Extension::NO_FLAGS)));
   }
 
   // In tests don't install extensions from default external sources.
   // It would only slowdown tests and make them flaky.
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kDisableDefaultApps))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kDisableDefaultApps))
     return;
 
   // On Mac OS, items in /Library/... should be written by the superuser.
   // Check that all components of the path are writable by root only.
   ExternalPrefLoader::Options check_admin_permissions_on_mac;
 #if defined(OS_MACOSX)
   check_admin_permissions_on_mac =
     ExternalPrefLoader::ENSURE_PATH_CONTROLLED_BY_ADMIN;
 #else
   check_admin_permissions_on_mac = ExternalPrefLoader::NONE;
@@ skipping 117 matching lines @@
             service,
             new ExternalComponentLoader(profile),
             profile,
             Manifest::INVALID_LOCATION,
             Manifest::EXTERNAL_COMPONENT,
             Extension::FROM_WEBSTORE | Extension::WAS_INSTALLED_BY_DEFAULT)));
   }
 }
 
 }  // namespace extensions