Revert 257524 "Move IsStringASCII/UTF8 to base namespace."

trunk/src/chrome/app/chrome_main_delegate.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/app/chrome_main_delegate.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/i18n/rtl.h"
 #include "base/lazy_instance.h"
@@ skipping 319 matching lines @@
       command_line->GetSwitchValueASCII(switches::kProcessType);
 
 #if defined(OS_LINUX)
   // On Linux, Chrome does not support running multiple copies under different
   // DISPLAYs, so the profile directory can be specified in the environment to
   // support the virtual desktop use-case.
   if (user_data_dir.empty()) {
     std::string user_data_dir_string;
     scoped_ptr<base::Environment> environment(base::Environment::Create());
     if (environment->GetVar("CHROME_USER_DATA_DIR", &user_data_dir_string) &&
-        base::IsStringUTF8(user_data_dir_string)) {
+        IsStringUTF8(user_data_dir_string)) {
       user_data_dir = base::FilePath::FromUTF8Unsafe(user_data_dir_string);
     }
   }
 #endif
 #if defined(OS_MACOSX) || defined(OS_WIN)
   policy::path_parser::CheckUserDataDirPolicy(&user_data_dir);
 #endif
 
   const bool specified_directory_was_invalid = !user_data_dir.empty() &&
       !PathService::OverrideAndCreateIfNeeded(chrome::DIR_USER_DATA,
@@ skipping 550 matching lines @@
 }
 
 content::ContentUtilityClient*
 ChromeMainDelegate::CreateContentUtilityClient() {
 #if defined(CHROME_MULTIPLE_DLL_BROWSER)
   return NULL;
 #else
   return g_chrome_content_utility_client.Pointer();
 #endif
 }