base::Bind: Convert FileUtilProxy::WriteCallback.

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"
@@ skipping 37 matching lines @@
   typedef base::Callback<void(PlatformFileError /* error code */,
                               bool /* created */)> EnsureFileExistsCallback;
   typedef base::Callback<void(PlatformFileError /* error code */,
                               const PlatformFileInfo& /* file_info */)>
       GetFileInfoCallback;
   typedef base::Callback<void(PlatformFileError /* error code */,
                               const std::vector<Entry>&)> ReadDirectoryCallback;
   typedef base::Callback<void(PlatformFileError /* error code */,
                               const char* /* data */,
                               int /* bytes read/written */)> ReadCallback;
-  typedef Callback2<PlatformFileError /* error code */,
-                    int /* bytes written */>::Type WriteCallback;
+  typedef base::Callback<void(PlatformFileError /* error code */,
+                              int /* bytes written */)> WriteCallback;
 
   // Creates or opens a file with the given flags. It is invalid to pass a null
   // 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,
                            const CreateOrOpenCallback& callback);
@@ skipping 92 matching lines @@
   // |offset + bytes_to_read| in the file. The callback can be null.
   static bool Read(
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
       PlatformFile file,
       int64 offset,
       int bytes_to_read,
       const ReadCallback& callback);
 
   // Writes to a file. If |offset| is greater than the length of the file,
   // |false| is returned. On success, the file pointer is moved to position
-  // |offset + bytes_to_write| in the file. The callback can be NULL.
+  // |offset + bytes_to_write| in the file. The callback can be null.
   // |bytes_to_write| must be greater than zero.
   static bool Write(
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
       PlatformFile file,
       int64 offset,
       const char* buffer,
       int bytes_to_write,
-      WriteCallback* callback);
+      const WriteCallback& callback);
 
-  // Touches a file. The callback can be NULL.
+  // Touches a file. The callback can be null.
   static bool Touch(
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
       PlatformFile file,
       const Time& last_access_time,
       const Time& last_modified_time,
       StatusCallback* callback);
 
-  // Touches a file. The callback can be NULL.
+  // Touches a file. The callback can be null.
   static bool Touch(
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
       const FilePath& file_path,
       const Time& last_access_time,
       const Time& last_modified_time,
       StatusCallback* callback);
 
   // Truncates a file to the given length. If |length| is greater than the
   // current length of the file, the file will be extended with zeroes.
-  // The callback can be NULL.
+  // The callback can be null.
   static bool Truncate(
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
       PlatformFile file,
       int64 length,
       StatusCallback* callback);
 
   // Truncates a file to the given length. If |length| is greater than the
   // current length of the file, the file will be extended with zeroes.
-  // The callback can be NULL.
+  // The callback can be null.
   static bool Truncate(
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
       const FilePath& path,
       int64 length,
       StatusCallback* callback);
 
-  // Flushes a file. The callback can be NULL.
+  // Flushes a file. The callback can be null.
   static bool Flush(
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
       PlatformFile file,
       StatusCallback* callback);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(FileUtilProxy);
 };
 
 }  // namespace base
 
 #endif  // BASE_FILE_UTIL_PROXY_H_