Create CrxInstaller directly in WebstoreInstaller

chrome/browser/extensions/webstore_installer.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_WEBSTORE_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_WEBSTORE_INSTALLER_H_
 
 #include <list>
 #include <string>
 
@@ skipping 20 matching lines @@
 namespace base {
 class FilePath;
 }
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 
+class CrxInstaller;
 class Extension;
 class Manifest;
 
 // Downloads and installs extensions from the web store.
 class WebstoreInstaller : public content::NotificationObserver,
                           public content::DownloadItem::Observer,
                           public content::WebContentsObserver,
                           public base::RefCountedThreadSafe<
   WebstoreInstaller, content::BrowserThread::DeleteOnUIThread> {
  public:
@@ skipping 170 matching lines @@
   // Downloads and installs a single Crx with the given |extension_id|.
   // This function is used for both the extension Crx and dependences.
   void DownloadCrx(const std::string& extension_id, InstallSource source);
 
   // Starts downloading the extension to |file_path|.
   void StartDownload(const base::FilePath& file_path);
 
   // Updates the InstallTracker with the latest download progress.
   void UpdateDownloadProgress();
 
+  // Creates and starts CrxInstaller for the downloaded extension package.
+  void StartCrxInstaller(const content::DownloadItem& item);
+
   // Reports an install |error| to the delegate for the given extension if this
   // managed its installation. This also removes the associated PendingInstall.
   void ReportFailure(const std::string& error, FailureReason reason);
 
   // Reports a successful install to the delegate for the given extension if
   // this managed its installation. This also removes the associated
   // PendingInstall.
   void ReportSuccess();
 
   // Records stats regarding an interrupted webstore download item.
   void RecordInterrupt(const content::DownloadItem* download) const;
 
   content::NotificationRegistrar registrar_;
   Profile* profile_;
   Delegate* delegate_;
   std::string id_;
   InstallSource install_source_;
   // The DownloadItem is owned by the DownloadManager and is valid from when
   // OnDownloadStarted is called (with no error) until OnDownloadDestroyed().
   content::DownloadItem* download_item_;
   // Used to periodically update the extension's download status. This will
   // trigger at least every second, though sometimes more frequently (depending
   // on number of modules, etc).
   base::OneShotTimer<WebstoreInstaller> download_progress_timer_;
   scoped_ptr<Approval> approval_;
   GURL download_url_;
+  scoped_refptr<CrxInstaller> crx_installer_;
 
   // Pending modules.
   std::list<SharedModuleInfo::ImportInfo> pending_modules_;
   // Total extension modules we need download and install (the main module and
   // depedences).
   int total_modules_;
   bool download_started_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_WEBSTORE_INSTALLER_H_