Convert a few components from scoped_ptr to std::unique_ptr

components/storage_monitor/test_storage_monitor.h

 // 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.
 
 #ifndef COMPONENTS_STORAGE_MONITOR_TEST_STORAGE_MONITOR_H_
 #define COMPONENTS_STORAGE_MONITOR_TEST_STORAGE_MONITOR_H_
 
+#include <memory>
 #include <string>
 
 #include "build/build_config.h"
 #include "components/storage_monitor/storage_monitor.h"
 
 namespace storage_monitor {
 
 class TestStorageMonitor : public StorageMonitor {
  public:
   TestStorageMonitor();
@@ skipping 48 matching lines @@
   // Whether TestStorageMonitor::Init() has been called for not.
   bool init_called_;
 
   // The last device to be ejected.
   std::string ejected_device_;
 
   // Paths considered for testing purposes to be on removable storage.
   std::vector<base::FilePath> removable_paths_;
 
 #if defined(OS_LINUX)
-  scoped_ptr<device::MediaTransferProtocolManager>
+  std::unique_ptr<device::MediaTransferProtocolManager>
       media_transfer_protocol_manager_;
 #endif
 };
 
 }  // namespace storage_monitor
 
 #endif  // COMPONENTS_STORAGE_MONITOR_TEST_STORAGE_MONITOR_H_