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

extensions/shell/app/shell_main_delegate.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 "extensions/shell/app/shell_main_delegate.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
@@ skipping 81 matching lines @@
 #endif
 #if !defined(DISABLE_NACL) && defined(OS_LINUX)
   nacl::RegisterPathProvider();
 #endif
   extensions::RegisterPathProvider();
   return false;
 }
 
 void ShellMainDelegate::PreSandboxStartup() {
   std::string process_type =
-      CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+      base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
           switches::kProcessType);
   if (ProcessNeedsResourceBundle(process_type))
     InitializeResourceBundle();
 }
 
 content::ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
   browser_client_.reset(CreateShellContentBrowserClient());
   return browser_client_.get();
 }
 
@@ skipping 52 matching lines @@
 #if !defined(DISABLE_NACL)
          process_type == switches::kNaClLoaderProcess ||
 #endif
 #if defined(OS_MACOSX)
          process_type == switches::kGpuProcess ||
 #endif
          process_type == switches::kUtilityProcess;
 }
 
 }  // namespace extensions