Shift passage of FileStream in downloads system to be by scoped_ptr<>.

chrome/browser/extensions/webstore_installer.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/extensions/webstore_installer.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 335 matching lines @@
       !controller_->GetWebContents() ||
       !controller_->GetWebContents()->GetRenderProcessHost() ||
       !controller_->GetWebContents()->GetRenderViewHost() ||
       !controller_->GetWebContents()->GetBrowserContext() ||
       !controller_->GetWebContents()->GetBrowserContext()
         ->GetResourceContext()) {
     ReportFailure(kDownloadDirectoryError, FAILURE_REASON_OTHER);
     return;
   }
 
-  content::DownloadSaveInfo save_info;
-  save_info.file_path = file;
+  scoped_ptr<content::DownloadSaveInfo> save_info(
+      new content::DownloadSaveInfo());
+  save_info->file_path = file;
 
   // The download url for the given extension is contained in |download_url_|.
   // We will navigate the current tab to this url to start the download. The
   // download system will then pass the crx to the CrxInstaller.
   download_util::RecordDownloadSource(
       download_util::INITIATED_BY_WEBSTORE_INSTALLER);
   scoped_ptr<DownloadUrlParameters> params(
       DownloadUrlParameters::FromWebContents(
-          controller_->GetWebContents(), download_url_, save_info));
+          controller_->GetWebContents(), download_url_, save_info.Pass()));
   if (controller_->GetActiveEntry())
     params->set_referrer(
         content::Referrer(controller_->GetActiveEntry()->GetURL(),
                           WebKit::WebReferrerPolicyDefault));
   params->set_callback(base::Bind(&WebstoreInstaller::OnDownloadStarted, this));
   download_manager->DownloadUrl(params.Pass());
 }
 
 void WebstoreInstaller::ReportFailure(const std::string& error,
                                       FailureReason reason) {
   if (delegate_) {
     delegate_->OnExtensionInstallFailure(id_, error, reason);
     delegate_ = NULL;
   }
 
   Release();  // Balanced in Start().
 }
 
 void WebstoreInstaller::ReportSuccess() {
   if (delegate_) {
     delegate_->OnExtensionInstallSuccess(id_);
     delegate_ = NULL;
   }
 
   Release();  // Balanced in Start().
 }
 
 }  // namespace extensions