Move the parsing of 'update_url' & 'options_page' URLs out of Extension.

chrome/common/extensions/manifest_url_info.h

 // 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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_MANIFEST_URL_INFO_H_
 #define CHROME_COMMON_EXTENSIONS_MANIFEST_URL_INFO_H_
 
 #include <string>
 
 #include "chrome/common/extensions/extension.h"
 
 namespace extensions {
 
 class Extension;
 
 struct ManifestURLInfo : public Extension::ManifestData {
 
   // URL parsed from the extension manifest file.
   GURL url_;
 
   // Get the URL associated with "devtools_page" manifest key.
   static const GURL& GetDevToolsPage(const Extension* extension);
 
   // Returns the Homepage URL for this extension. If homepage_url was not
   // specified in the manifest, this returns the Google Gallery URL. For
   // third-party extensions, this returns a blank GURL.
   static const GURL GetHomepageURL(const Extension* extension);
+
+  // Get the URL associated with "update_url" manifest key.
+  // This is the URL for fetching an update manifest.
+  static const GURL& GetUpdateURL(const Extension* extension);
+
+  // Get the URL associated with "options_page" manifest key.
+  // Optional URL to a page for setting options/preferences.
+  static const GURL& GetOptionsPage(const Extension* extension);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_MANIFEST_URL_INFO_H_