Remove stl_util's STLDeleteContainerPairSecondPointers from storage/.

storage/browser/fileapi/external_mount_points.h

 // Copyright (c) 2013 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 STORAGE_BROWSER_FILEAPI_EXTERNAL_MOUNT_POINTS_H_
 #define STORAGE_BROWSER_FILEAPI_EXTERNAL_MOUNT_POINTS_H_
 
 #include <map>
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "storage/browser/fileapi/mount_points.h"
 #include "storage/browser/storage_browser_export.h"
 #include "storage/common/fileapi/file_system_mount_option.h"
 #include "storage/common/fileapi/file_system_types.h"
@@ skipping 93 matching lines @@
 
   // Revoke all registered filesystems. Used only by testing (for clean-ups).
   void RevokeAllFileSystems();
 
  private:
   friend class base::RefCountedThreadSafe<ExternalMountPoints>;
 
   // Represents each file system instance (defined in the .cc).
   class Instance;
 
-  typedef std::map<std::string, Instance*> NameToInstance;
+  typedef std::map<std::string, std::unique_ptr<Instance>> NameToInstance;
 
   // Reverse map from registered path to its corresponding mount name.
   typedef std::map<base::FilePath, std::string> PathToName;
 
   // Use |GetSystemInstance| of |CreateRefCounted| to get an instance.
   ExternalMountPoints();
   ~ExternalMountPoints() override;
 
   // MountPoint overrides.
   FileSystemURL CrackFileSystemURL(const FileSystemURL& url) const override;
@@ skipping 16 matching lines @@
 
   NameToInstance instance_map_;
   PathToName path_to_name_map_;
 
   DISALLOW_COPY_AND_ASSIGN(ExternalMountPoints);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_FILEAPI_EXTERNAL_MOUNT_POINTS_H_