Add utf_string_conversions to base namespace.

chrome/browser/ui/webui/extensions/pack_extension_handler.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/ui/webui/extensions/pack_extension_handler.h"
 
 #include "chrome/browser/extensions/extension_creator.h"
 #include "chrome/browser/ui/chrome_select_file_policy.h"
 #include "base/bind.h"
 #include "base/utf_string_conversions.h"
@@ skipping 101 matching lines @@
       !args->GetString(1, &private_key_path_))
     NOTREACHED();
 
   double flags_double = 0.0;
   if (!args->GetDouble(2, &flags_double))
     NOTREACHED();
 
   int run_flags = static_cast<int>(flags_double);
 
   base::FilePath root_directory =
-      base::FilePath::FromWStringHack(UTF8ToWide(extension_path_));
+      base::FilePath::FromWStringHack(base::UTF8ToWide(extension_path_));
   base::FilePath key_file =
-      base::FilePath::FromWStringHack(UTF8ToWide(private_key_path_));
+      base::FilePath::FromWStringHack(base::UTF8ToWide(private_key_path_));
 
   if (root_directory.empty()) {
     if (extension_path_.empty()) {
       ShowAlert(l10n_util::GetStringUTF8(
           IDS_EXTENSION_PACK_DIALOG_ERROR_ROOT_REQUIRED));
     } else {
       ShowAlert(l10n_util::GetStringUTF8(
           IDS_EXTENSION_PACK_DIALOG_ERROR_ROOT_INVALID));
     }
 
@@ skipping 53 matching lines @@
       FILE_PATH_LITERAL(""),
       web_ui()->GetWebContents()->GetView()->GetTopLevelNativeWindow(),
       NULL);
 }
 
 void PackExtensionHandler::ShowAlert(const std::string& message) {
   ListValue arguments;
   arguments.Append(Value::CreateStringValue(message));
   web_ui()->CallJavascriptFunction("PackExtensionOverlay.showError", arguments);
 }