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

chrome/browser/sync_file_system/drive_backend/metadata_database_index_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_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DATABASE_INDEX_INTERFACE_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DATABASE_INDEX_INTERFACE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace sync_file_system {
 namespace drive_backend {
 
 class FileMetadata;
 class FileTracker;
 class TrackerIDSet;
 
 struct ParentIDAndTitle {
   int64_t parent_id;
@@ skipping 20 matching lines @@
   virtual bool GetFileMetadata(
       const std::string& file_id, FileMetadata* metadata) const = 0;
 
   // Returns true if FileTracker identified by |tracker_id| exists.
   // If |tracker| is not NULL, the FileTracker is copied to it.
   virtual bool GetFileTracker(int64_t tracker_id,
                               FileTracker* tracker) const = 0;
 
   // Stores |metadata| and updates indexes.
   // This overwrites existing FileMetadata for the same |file_id|.
-  virtual void StoreFileMetadata(scoped_ptr<FileMetadata> metadata) = 0;
+  virtual void StoreFileMetadata(std::unique_ptr<FileMetadata> metadata) = 0;
 
   // Stores |tracker| and updates indexes.
   // This overwrites existing FileTracker for the same |tracker_id|.
-  virtual void StoreFileTracker(scoped_ptr<FileTracker> tracker) = 0;
+  virtual void StoreFileTracker(std::unique_ptr<FileTracker> tracker) = 0;
 
   // Removes FileMetadata identified by |file_id| from indexes.
   virtual void RemoveFileMetadata(const std::string& file_id) = 0;
 
   // Removes FileTracker identified by |tracker_id| from indexes.
   virtual void RemoveFileTracker(int64_t tracker_id) = 0;
 
   // Returns a set of FileTracker that have |file_id| as its own.
   virtual TrackerIDSet GetFileTrackerIDsByFileID(
       const std::string& file_id) const = 0;
@@ skipping 51 matching lines @@
   virtual std::vector<std::string> GetAllMetadataIDs() const = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MetadataDatabaseIndexInterface);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DATABASE_INDEX_INTERFACE_H_