Media gallery fixups for scoped_refptr<T> operator T* removal.

chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.h

 // 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.
 
 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 67 matching lines @@
   virtual void ReadDirectory(
       const base::FilePath& root,
       const ReadDirectorySuccessCallback& success_callback,
       const ErrorCallback& error_callback) OVERRIDE;
   virtual void CreateSnapshotFile(
       const base::FilePath& device_file_path,
       const base::FilePath& local_path,
       const CreateSnapshotFileSuccessCallback& success_callback,
       const ErrorCallback& error_callback) OVERRIDE;
   virtual bool IsStreaming() OVERRIDE;
-  virtual void ReadBytes(
-      const base::FilePath& device_file_path,
-      net::IOBuffer* buf, int64 offset, int buf_len,
-      const ReadBytesSuccessCallback& success_callback,
-      const ErrorCallback& error_callback) OVERRIDE;
+  virtual void ReadBytes(const base::FilePath& device_file_path,
+                         const scoped_refptr<net::IOBuffer>& buf,
+                         int64 offset,
+                         int buf_len,
+                         const ReadBytesSuccessCallback& success_callback,
+                         const ErrorCallback& error_callback) OVERRIDE;
   virtual void CancelPendingTasksAndDeleteDelegate() OVERRIDE;
 
   // The internal methods correspond to the similarly named methods above.
   // The |root_node_| cache should be filled at this point.
   virtual void GetFileInfoInternal(
       const base::FilePath& file_path,
       const GetFileInfoSuccessCallback& success_callback,
       const ErrorCallback& error_callback);
   virtual void ReadDirectoryInternal(
       const base::FilePath& root,
@@ skipping 183 matching lines @@
   // the ReadDirectory operation.
   FileInfoCache file_info_cache_;
 
   // For callbacks that may run after destruction.
   base::WeakPtrFactory<MTPDeviceDelegateImplLinux> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MTPDeviceDelegateImplLinux);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H_