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

chrome/browser/chromeos/file_system_provider/registry_interface.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 CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_REGISTRY_INTERFACE_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_REGISTRY_INTERFACE_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h"
 #include "chrome/browser/chromeos/file_system_provider/watcher.h"
 
 namespace chromeos {
 namespace file_system_provider {
 
 // Remembers and restores file systems in a persistent storage.
 class RegistryInterface {
  public:
   struct RestoredFileSystem;
@@ skipping 20 matching lines @@
       const Watchers& watchers) = 0;
 
   // Removes the file system from preferences, so it is not remounmted anymore
   // after a reboot.
   virtual void ForgetFileSystem(const std::string& extension_id,
                                 const std::string& file_system_id) = 0;
 
   // Restores from preferences file systems mounted previously by the
   // |extension_id| providing extension. The returned list should be used to
   // remount them.
-  virtual scoped_ptr<RestoredFileSystems> RestoreFileSystems(
+  virtual std::unique_ptr<RestoredFileSystems> RestoreFileSystems(
       const std::string& extension_id) = 0;
 
   // Updates a tag for the specified watcher.
   virtual void UpdateWatcherTag(const ProvidedFileSystemInfo& file_system_info,
                                 const Watcher& watcher) = 0;
 };
 
 }  // namespace file_system_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_REGISTRY_INTERFACE_H_