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

chrome/browser/chromeos/file_manager/file_manager_browsertest_base.h

 // Copyright 2015 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_MANAGER_FILE_MANAGER_BROWSERTEST_BASE_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_MANAGER_FILE_MANAGER_BROWSERTEST_BASE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 41 matching lines @@
   void RunTestMessageLoop();
 
   // Overriding point for test configurations.
   virtual const char* GetTestManifestName() const = 0;
   virtual GuestMode GetGuestModeParam() const = 0;
   virtual const char* GetTestCaseNameParam() const = 0;
   virtual void OnMessage(const std::string& name,
                          const base::DictionaryValue& value,
                          std::string* output);
 
-  scoped_ptr<LocalTestVolume> local_volume_;
+  std::unique_ptr<LocalTestVolume> local_volume_;
   linked_ptr<DriveTestVolume> drive_volume_;
   std::map<Profile*, linked_ptr<DriveTestVolume>> drive_volumes_;
-  scoped_ptr<FakeTestVolume> usb_volume_;
-  scoped_ptr<FakeTestVolume> mtp_volume_;
+  std::unique_ptr<FakeTestVolume> usb_volume_;
+  std::unique_ptr<FakeTestVolume> mtp_volume_;
 
  private:
   drive::DriveIntegrationService* CreateDriveIntegrationService(
       Profile* profile);
   drive::DriveIntegrationServiceFactory::FactoryCallback
       create_drive_integration_service_;
-  scoped_ptr<drive::DriveIntegrationServiceFactory::ScopedFactoryForTest>
+  std::unique_ptr<drive::DriveIntegrationServiceFactory::ScopedFactoryForTest>
       service_factory_for_test_;
 };
 
 }  // namespace file_manager
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_MANAGER_FILE_MANAGER_BROWSERTEST_BASE_H_