Change ScopedPtrHashMap's 2nd template parameter

chrome/browser/sync_file_system/drive_backend/metadata_database_index.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_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DATABASE_INDEX_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 77 matching lines @@
   void SetLargestChangeID(int64 largest_change_id) const override;
   void SetNextTrackerID(int64 next_tracker_id) const override;
   int64 GetSyncRootTrackerID() const override;
   int64 GetLargestChangeID() const override;
   int64 GetNextTrackerID() const override;
   std::vector<std::string> GetRegisteredAppIDs() const override;
   std::vector<int64> GetAllTrackerIDs() const override;
   std::vector<std::string> GetAllMetadataIDs() const override;
 
  private:
-  typedef base::ScopedPtrHashMap<std::string, FileMetadata> MetadataByID;
-  typedef base::ScopedPtrHashMap<int64, FileTracker> TrackerByID;
+  typedef base::ScopedPtrHashMap<std::string, scoped_ptr<FileMetadata>>
+      MetadataByID;
+  typedef base::ScopedPtrHashMap<int64, scoped_ptr<FileTracker>> TrackerByID;
   typedef base::hash_map<std::string, TrackerIDSet> TrackerIDsByFileID;
   typedef base::hash_map<std::string, TrackerIDSet> TrackerIDsByTitle;
   typedef std::map<int64, TrackerIDsByTitle> TrackerIDsByParentAndTitle;
   typedef base::hash_map<std::string, int64> TrackerIDByAppID;
   typedef base::hash_set<std::string> FileIDSet;
   typedef base::hash_set<ParentIDAndTitle> PathSet;
   typedef std::set<int64> DirtyTrackers;
 
   friend class MetadataDatabaseTest;
 
@@ skipping 42 matching lines @@
   DirtyTrackers dirty_trackers_;
   DirtyTrackers demoted_dirty_trackers_;
 
   DISALLOW_COPY_AND_ASSIGN(MetadataDatabaseIndex);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DATABASE_INDEX_H_