Update chrome/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/download/chrome_download_manager_delegate.cc

 // 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.
 
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 497 matching lines @@
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK(type == chrome::NOTIFICATION_CRX_INSTALLER_DONE);
 
   registrar_.Remove(this,
                     chrome::NOTIFICATION_CRX_INSTALLER_DONE,
                     source);
 
   scoped_refptr<extensions::CrxInstaller> installer =
       content::Source<extensions::CrxInstaller>(source).ptr();
-  content::DownloadOpenDelayedCallback callback = crx_installers_[installer];
+  content::DownloadOpenDelayedCallback callback =
+      crx_installers_[installer.get()];
   crx_installers_.erase(installer.get());
   callback.Run(installer->did_handle_successfully());
 }