Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/extensions/file_manager/device_event_router_unittest.cc

 // Copyright 2014 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/extensions/file_manager/device_event_router.h"
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 73 matching lines @@
                 chromeos::DEVICE_TYPE_UNKNOWN,
                 0,
                 false,
                 false,
                 false,
                 false,
                 false,
                 false);
   }
 
-  scoped_ptr<DeviceEventRouterImpl> device_event_router;
+  std::unique_ptr<DeviceEventRouterImpl> device_event_router;
 
  private:
   base::MessageLoop message_loop_;
 };
 
 TEST_F(DeviceEventRouterTest, AddAndRemoveDevice) {
   const Disk disk1 = CreateTestDisk("/device/test", "/mount/path1");
   const Disk disk1_unmounted = CreateTestDisk("/device/test", "");
-  scoped_ptr<Volume> volume(Volume::CreateForTesting(
+  std::unique_ptr<Volume> volume(Volume::CreateForTesting(
       base::FilePath(FILE_PATH_LITERAL("/device/test")),
       base::FilePath(FILE_PATH_LITERAL("/mount/path1"))));
   device_event_router->OnDeviceAdded("/device/test");
   device_event_router->OnDiskAdded(disk1, true);
   device_event_router->OnVolumeMounted(chromeos::MOUNT_ERROR_NONE,
                                        *volume.get());
   device_event_router->OnVolumeUnmounted(chromeos::MOUNT_ERROR_NONE,
                                          *volume.get());
   device_event_router->OnDiskRemoved(disk1_unmounted);
   device_event_router->OnDeviceRemoved("/device/test");
@@ skipping 16 matching lines @@
   ASSERT_EQ(2u, device_event_router->events.size());
   EXPECT_EQ(file_manager_private::DEVICE_EVENT_TYPE_HARD_UNPLUGGED,
             device_event_router->events[0].type);
   EXPECT_EQ("/device/test", device_event_router->events[0].device_path);
   EXPECT_EQ(file_manager_private::DEVICE_EVENT_TYPE_REMOVED,
             device_event_router->events[1].type);
   EXPECT_EQ("/device/test", device_event_router->events[1].device_path);
 }
 
 }  // namespace file_manager