[Extensions] Make chrome://extensions use developerPrivate for error calls

chrome/browser/ui/webui/extensions/extension_error_ui_util.h

-// 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.
-
-#ifndef CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_ERROR_UI_UTIL_H_
-#define CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_ERROR_UI_UTIL_H_
-
-#include "base/callback.h"
-
-class Profile;
-
-namespace base {
-class DictionaryValue;
-}
-
-namespace extensions {
-namespace error_ui_util {
-
-typedef base::Callback<void(const base::DictionaryValue&)>
-    RequestFileSourceCallback;
-
-// Read an extension's file which caused an error. |args| specifies the file to
-// be read and extra details about the file, |profile| is the active profile to
-// use, and |response| is called upon completed.
-void HandleRequestFileSource(const base::DictionaryValue* args,
-                             Profile* profile,
-                             const RequestFileSourceCallback& response);
-
-// Open the Developer Tools to inspect an error caused by an extension. |args|
-// specify the context in which the error occurred.
-void HandleOpenDevTools(const base::DictionaryValue* args);
-
-}  // namespace error_ui_util
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_ERROR_UI_UTIL_H_