base::Bind: Convert FileUtilProxy::CreateOrOpenCallback.

base/file_util_proxy.h

 // Copyright (c) 2011 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 BASE_FILE_UTIL_PROXY_H_
 #define BASE_FILE_UTIL_PROXY_H_
 
 #include <vector>
 
 #include "base/base_export.h"
+#include "base/callback.h"
 #include "base/callback_old.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/platform_file.h"
 #include "base/tracked_objects.h"
 
 namespace base {
 
 class MessageLoopProxy;
@@ skipping 10 matching lines @@
     base::Time last_modified_time;
   };
 
   // This callback is used by methods that report only an error code.  It is
   // valid to pass NULL as the callback parameter to any function that takes a
   // StatusCallback, in which case the operation will complete silently.
   // The ownership of |callback| is taken by the function and will always be
   // deleted by the function even on failure.
   typedef Callback1<PlatformFileError /* error code */>::Type StatusCallback;
 
-  typedef Callback3<PlatformFileError /* error code */,
-                    PassPlatformFile,
-                    bool /* created */>::Type CreateOrOpenCallback;
+  typedef base::Callback<void(PlatformFileError /* error code */,
+                              PassPlatformFile,
+                              bool /* created */)> CreateOrOpenCallback;
   typedef Callback3<PlatformFileError /* error code */,
                     PassPlatformFile,
                     FilePath>::Type CreateTemporaryCallback;
   typedef Callback2<PlatformFileError /* error code */,
                     bool /* created */>::Type EnsureFileExistsCallback;
   typedef Callback2<PlatformFileError /* error code */,
                     const PlatformFileInfo& /* file_info */
                     >::Type GetFileInfoCallback;
   typedef Callback2<PlatformFileError /* error code */,
                     const std::vector<Entry>&>::Type ReadDirectoryCallback;
   typedef Callback3<PlatformFileError /* error code */,
                     const char* /* data */,
                     int /* bytes read/written */>::Type ReadCallback;
   typedef Callback2<PlatformFileError /* error code */,
                     int /* bytes written */>::Type WriteCallback;
 
   // Creates or opens a file with the given flags.  It is invalid to pass NULL
   // for the callback.
   // If PLATFORM_FILE_CREATE is set in |file_flags| it always tries to create
   // a new file at the given |file_path| and calls back with
   // PLATFORM_FILE_ERROR_FILE_EXISTS if the |file_path| already exists.
   // Takes ownership of |callback| and will delete it even on failure.
   static bool CreateOrOpen(scoped_refptr<MessageLoopProxy> message_loop_proxy,
                            const FilePath& file_path,
                            int file_flags,
-                           CreateOrOpenCallback* callback);
+                           const CreateOrOpenCallback& callback);
 
   // Creates a temporary file for writing.  The path and an open file handle
   // are returned.  It is invalid to pass NULL for the callback.  The additional
   // file flags will be added on top of the default file flags which are:
   //   base::PLATFORM_FILE_CREATE_ALWAYS
   //   base::PLATFORM_FILE_WRITE
   //   base::PLATFORM_FILE_TEMPORARY.
   // Set |additional_file_flags| to 0 for synchronous writes and set to
   // base::PLATFORM_FILE_ASYNC to support asynchronous file operations.
   static bool CreateTemporary(
@@ skipping 140 matching lines @@
       PlatformFile file,
       StatusCallback* callback);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(FileUtilProxy);
 };
 
 }  // namespace base
 
 #endif  // BASE_FILE_UTIL_PROXY_H_