Create CrxInstaller directly in WebstoreInstaller

chrome/browser/extensions/updater/extension_updater.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_UPDATER_H_
 #define CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_UPDATER_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 108 matching lines @@
   friend class ExtensionUpdaterTest;
   friend class ExtensionUpdaterFileHandler;
 
   // FetchedCRXFile holds information about a CRX file we fetched to disk,
   // but have not yet installed.
   struct FetchedCRXFile {
     FetchedCRXFile();
     FetchedCRXFile(const std::string& id,
                    const base::FilePath& path,
                    bool file_ownership_passed,
-                   const GURL& download_url,
                    const std::set<int>& request_ids);
     ~FetchedCRXFile();
 
     std::string extension_id;
     base::FilePath path;
     bool file_ownership_passed;
-    GURL download_url;
     std::set<int> request_ids;
   };
 
   struct InProgressCheck {
     InProgressCheck();
     ~InProgressCheck();
 
     bool install_immediately;
     FinishedCallback callback;
     // The ids of extensions that have in-progress update checks.
@@ skipping 109 matching lines @@
   // Keeps track of when an extension tried to update itself, so we can throttle
   // checks to prevent too many requests from being made.
   std::map<std::string, ThrottleInfo> throttle_info_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionUpdater);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_UPDATER_H_