Remove base::ScopedPtrHashMap from chrome/browser/sync_file_system/drive_backend/

chrome/browser/sync_file_system/drive_backend/sync_task_manager.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_SYNC_TASK_MANAGER_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_TASK_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <queue>
+#include <unordered_map>
 #include <vector>
 
 #include "base/callback.h"
-#include "base/containers/scoped_ptr_hash_map.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/sequence_checker.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/sync_file_system/drive_backend/task_dependency_manager.h"
 #include "chrome/browser/sync_file_system/sync_callbacks.h"
 #include "chrome/browser/sync_file_system/sync_status_code.h"
 #include "chrome/browser/sync_file_system/task_logger.h"
 
 namespace base {
@@ skipping 152 matching lines @@
   // If |token| is non-nullptr, put |token| back to |token_| beforehand.
   void MaybeStartNextForegroundTask(std::unique_ptr<SyncTaskToken> token);
 
   base::WeakPtr<Client> client_;
 
   // Owns running SyncTask to cancel the task on SyncTaskManager deletion.
   std::unique_ptr<SyncTask> running_foreground_task_;
 
   // Owns running backgrounded SyncTask to cancel the task on SyncTaskManager
   // deletion.
-  base::ScopedPtrHashMap<int64_t, std::unique_ptr<SyncTask>>
+  std::unordered_map<int64_t, std::unique_ptr<SyncTask>>
       running_background_tasks_;
 
   size_t maximum_background_task_;
 
   // Holds pending continuation to move task to background.
   base::Closure pending_backgrounding_task_;
 
   std::priority_queue<PendingTask, std::vector<PendingTask>,
                       PendingTaskComparator> pending_tasks_;
   int64_t pending_task_seq_;
@@ skipping 14 matching lines @@
 
   base::WeakPtrFactory<SyncTaskManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncTaskManager);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_TASK_MANAGER_H_