Support extension update dwnloads which require auth

chrome/browser/extensions/updater/extension_downloader.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_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_
 #define CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 111 matching lines @@
     ExtensionFetch(const std::string& id, const GURL& url,
                    const std::string& package_hash, const std::string& version,
                    const std::set<int>& request_ids);
     ~ExtensionFetch();
 
     std::string id;
     GURL url;
     std::string package_hash;
     std::string version;
     std::set<int> request_ids;
+
+    // Indicates whether or not the fetch is known to require credentials.
+    bool is_protected;
   };
 
   // Helper for AddExtension() and AddPendingExtension().
   bool AddExtensionData(const std::string& id,
                         const base::Version& version,
                         Manifest::Type extension_type,
                         const GURL& extension_update_url,
                         const std::string& update_url_data,
                         int request_id);
 
@@ skipping 94 matching lines @@
 
   // Cache for .crx files.
   ExtensionCache* extension_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionDownloader);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_