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

chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.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/extensions/api/signed_in_devices/signed_in_devices_manager.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 47 matching lines @@
     pss->GetDeviceInfoTracker()->RemoveObserver(this);
   }
 }
 
 void SignedInDevicesChangeObserver::OnDeviceInfoChange() {
   // There is a change in the list of devices. Get all devices and send them to
   // the listener.
   ScopedVector<DeviceInfo> devices = GetAllSignedInDevices(extension_id_,
                                                            profile_);
 
-  std::vector<linked_ptr<api::signed_in_devices::DeviceInfo> > args;
-
-  for (ScopedVector<DeviceInfo>::const_iterator it = devices.begin();
-       it != devices.end();
-       ++it) {
-    linked_ptr<api::signed_in_devices::DeviceInfo> api_device =
-        make_linked_ptr(new api::signed_in_devices::DeviceInfo);
-    FillDeviceInfo(*(*it), api_device.get());
-    args.push_back(api_device);
+  std::vector<api::signed_in_devices::DeviceInfo> args;
+  for (const DeviceInfo* info : devices) {
+    api::signed_in_devices::DeviceInfo api_device;
+    FillDeviceInfo(*info, &api_device);
+    args.push_back(std::move(api_device));
   }
 
   scoped_ptr<base::ListValue> result =
       api::signed_in_devices::OnDeviceInfoChange::Create(args);
   scoped_ptr<Event> event(
       new Event(events::SIGNED_IN_DEVICES_ON_DEVICE_INFO_CHANGE,
                 api::signed_in_devices::OnDeviceInfoChange::kEventName,
                 std::move(result)));
 
   event->restrict_to_browser_context = profile_;
@@ skipping 74 matching lines @@
 }
 
 void SignedInDevicesManager::OnExtensionUnloaded(
     content::BrowserContext* browser_context,
     const Extension* extension,
     UnloadedExtensionInfo::Reason reason) {
   RemoveChangeObserverForExtension(extension->id());
 }
 
 }  // namespace extensions