Change ScopedPtrHashMap's 2nd template parameter

chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.h"
 
 #include <fcntl.h>
 #include <algorithm>
 #include <vector>
 
@@ skipping 377 matching lines @@
   bool DeleteChild(uint32 file_id);
 
   bool HasChildren() const;
 
   uint32 file_id() const { return file_id_; }
   const std::string& file_name() const { return file_name_; }
   MTPFileNode* parent() { return parent_; }
 
  private:
   // Container for holding a node's children.
-  typedef base::ScopedPtrHashMap<std::string, MTPFileNode> ChildNodes;
+  typedef base::ScopedPtrHashMap<std::string, scoped_ptr<MTPFileNode>>
+      ChildNodes;
 
   const uint32 file_id_;
   const std::string file_name_;
 
   ChildNodes children_;
   MTPFileNode* const parent_;
   FileIdToMTPFileNodeMap* file_id_to_node_map_;
 
   DISALLOW_COPY_AND_ASSIGN(MTPFileNode);
 };
@@ skipping 1493 matching lines @@
   }
 }
 
 void CreateMTPDeviceAsyncDelegate(
     const std::string& device_location,
     const bool read_only,
     const CreateMTPDeviceAsyncDelegateCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   callback.Run(new MTPDeviceDelegateImplLinux(device_location, read_only));
 }