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

chrome/browser/chromeos/app_mode/fake_cws.cc

 // Copyright 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/chromeos/app_mode/fake_cws.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
@@ skipping 95 matching lines @@
 void FakeCWS::SetupWebStoreURL(const GURL& test_server_url) {
   std::string webstore_host(kWebstoreDomain);
   GURL::Replacements replace_webstore_host;
   replace_webstore_host.SetHostStr(webstore_host);
   web_store_url_ = test_server_url.ReplaceComponents(replace_webstore_host);
 }
 
 void FakeCWS::OverrideGalleryCommandlineSwitches() {
   DCHECK(web_store_url_.is_valid());
 
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
 
   command_line->AppendSwitchASCII(
       ::switches::kAppsGalleryURL,
       web_store_url_.Resolve("/chromeos/app_mode/webstore").spec());
 
   std::string downloads_path = std::string(kCrxDownloadPath).append("%s.crx");
   GURL downloads_url = web_store_url_.Resolve(downloads_path);
   command_line->AppendSwitchASCII(::switches::kAppsGalleryDownloadURL,
                                   downloads_url.spec());
 
@@ skipping 33 matching lines @@
     http_response->set_code(net::HTTP_OK);
     http_response->set_content_type("text/xml");
     http_response->set_content(update_check_content_);
     return http_response.Pass();
   }
 
   return scoped_ptr<HttpResponse>();
 }
 
 }  // namespace chromeos