| Index: net/base/file_stream.h | 
| diff --git a/net/base/file_stream.h b/net/base/file_stream.h | 
| index 89db65e15b5ae49e50de78874e64c3babf7df640..f564ea12a22c32f174faadadd786c4e073bf09a5 100644 | 
| --- a/net/base/file_stream.h | 
| +++ b/net/base/file_stream.h | 
| @@ -50,7 +50,8 @@ class NET_EXPORT FileStream { | 
| // automatically closed when FileStream is destructed in an asynchronous | 
| // manner (i.e. the file stream is closed in the background but you don't | 
| // know when). | 
| -  virtual int Open(const base::FilePath& path, int open_flags, | 
| +  virtual int Open(const base::FilePath& path, | 
| +                   int open_flags, | 
| const CompletionCallback& callback); | 
|  | 
| // Returns ERR_IO_PENDING and closes the file asynchronously, calling | 
| @@ -68,7 +69,8 @@ class NET_EXPORT FileStream { | 
| // relative to the start of the file.  Otherwise, an error code is returned. | 
| // It is invalid to request any asynchronous operations while there is an | 
| // in-flight asynchronous operation. | 
| -  virtual int Seek(base::File::Whence whence, int64 offset, | 
| +  virtual int Seek(base::File::Whence whence, | 
| +                   int64 offset, | 
| const Int64CompletionCallback& callback); | 
|  | 
| // Call this method to read data from the current stream position | 
| @@ -91,7 +93,8 @@ class NET_EXPORT FileStream { | 
| // in-flight asynchronous operation. | 
| // | 
| // This method must not be called if the stream was opened WRITE_ONLY. | 
| -  virtual int Read(IOBuffer* buf, int buf_len, | 
| +  virtual int Read(IOBuffer* buf, | 
| +                   int buf_len, | 
| const CompletionCallback& callback); | 
|  | 
| // Call this method to write data at the current stream position | 
| @@ -116,7 +119,8 @@ class NET_EXPORT FileStream { | 
| // This method must not be called if the stream was opened READ_ONLY. | 
| // | 
| // Zero byte writes are not allowed. | 
| -  virtual int Write(IOBuffer* buf, int buf_len, | 
| +  virtual int Write(IOBuffer* buf, | 
| +                    int buf_len, | 
| const CompletionCallback& callback); | 
|  | 
| // Forces out a filesystem sync on this file to make sure that the file was | 
|  |