Make ExtensionInstallPrompt::Prompt ref-counted

chrome/browser/chromeos/file_manager/app_installer.cc

 // Copyright 2013 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/chromeos/file_manager/app_installer.h"
 
 #include "content/public/browser/web_contents.h"
 
 class Profile;
 
@@ skipping 44 matching lines @@
 
 bool AppInstaller::CheckRequestorAlive() const {
   // The tab may have gone away - cancel installation in that case.
   return web_contents_ != NULL;
 }
 
 const GURL& AppInstaller::GetRequestorURL() const {
   return GURL::EmptyGURL();
 }
 
-scoped_ptr<ExtensionInstallPrompt::Prompt>
+scoped_refptr<ExtensionInstallPrompt::Prompt>
 AppInstaller::CreateInstallPrompt() const {
-  scoped_ptr<ExtensionInstallPrompt::Prompt> prompt(
+  scoped_refptr<ExtensionInstallPrompt::Prompt> prompt(
       new ExtensionInstallPrompt::Prompt(
           ExtensionInstallPrompt::INLINE_INSTALL_PROMPT));
 
   prompt->SetWebstoreData(localized_user_count(),
                           show_user_count(),
                           average_rating(),
                           rating_count());
-  return prompt.Pass();
+  return prompt;
 }
 
 bool AppInstaller::ShouldShowPostInstallUI() const {
   return false;
 }
 
 bool AppInstaller::ShouldShowAppInstalledBubble() const {
   return false;
 }
 
@@ skipping 17 matching lines @@
   return true;
 }
 
 void AppInstaller::OnWebContentsDestroyed(
     content::WebContents* web_contents) {
   callback_.Run(false, kWebContentsDestroyedError);
   AbortInstall();
 }
 
 }  // namespace file_manager