Remaining cleanup (base::Bind): Replacing FileUtilProxy calls with new callback

webkit/plugins/ppapi/ppb_file_io_impl.h

Index: webkit/plugins/ppapi/ppb_file_io_impl.h
diff --git a/webkit/plugins/ppapi/ppb_file_io_impl.h b/webkit/plugins/ppapi/ppb_file_io_impl.h
index ec55fb5451ca10b00df930d4d7bd0dc54f08e28b..b51046c35eee015f31ba903ff46b5b13fc8cdc91 100644
--- a/webkit/plugins/ppapi/ppb_file_io_impl.h
+++ b/webkit/plugins/ppapi/ppb_file_io_impl.h
@@ -10,7 +10,6 @@
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_callback_factory.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/platform_file.h"
@@ -125,8 +124,6 @@ class PPB_FileIO_Impl : public ::ppapi::Resource,
   void WriteCallback(base::PlatformFileError error_code, int bytes_written);
   void WillWriteCallback(base::PlatformFileError error_code, int bytes_written);
 
-  base::ScopedCallbackFactory<PPB_FileIO_Impl> callback_factory_;
-
   base::PlatformFile file_;
   PP_FileSystemType file_system_type_;