[Extensions] Convert APIs to use movable types [9]

chrome/browser/extensions/api/sessions/sessions_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_SESSIONS_SESSIONS_API_H__
 #define CHROME_BROWSER_EXTENSIONS_API_SESSIONS_SESSIONS_API_H__
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 45 matching lines @@
   scoped_ptr<api::tabs::Tab> CreateTabModel(const std::string& session_tag,
                                             const sessions::SessionTab& tab,
                                             int tab_index,
                                             int selected_index);
   scoped_ptr<api::windows::Window> CreateWindowModel(
       const sessions::SessionWindow& window,
       const std::string& session_tag);
   scoped_ptr<api::sessions::Session> CreateSessionModel(
       const sessions::SessionWindow& window,
       const std::string& session_tag);
-  scoped_ptr<api::sessions::Device> CreateDeviceModel(
+  api::sessions::Device CreateDeviceModel(
       const sync_driver::SyncedSession* session);
 };
 
 class SessionsRestoreFunction : public ChromeSyncExtensionFunction {
  protected:
   ~SessionsRestoreFunction() override {}
   bool RunSync() override;
   DECLARE_EXTENSION_FUNCTION("sessions.restore", SESSIONS_RESTORE)
 
  private:
@@ skipping 58 matching lines @@
 
   // Created lazily upon OnListenerAdded.
   scoped_ptr<SessionsEventRouter> sessions_event_router_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionsAPI);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SESSIONS_SESSIONS_API_H__