[Refactor] to rename and re-layer the file_util stack layers.

webkit/tools/test_shell/simple_file_writer.cc

Index: webkit/tools/test_shell/simple_file_writer.cc
diff --git a/webkit/tools/test_shell/simple_file_writer.cc b/webkit/tools/test_shell/simple_file_writer.cc
index fee2c55489e21588572624121a4892dd8b245e1b..8c07ccd08be004cf52d42686f856ac79a7b28911 100644
--- a/webkit/tools/test_shell/simple_file_writer.cc
+++ b/webkit/tools/test_shell/simple_file_writer.cc
@@ -9,14 +9,12 @@
 #include "net/url_request/url_request_context.h"
 #include "webkit/fileapi/file_system_callback_dispatcher.h"
 #include "webkit/fileapi/file_system_context.h"
-#include "webkit/fileapi/file_system_file_util.h"
 #include "webkit/fileapi/file_system_operation.h"
 #include "webkit/glue/webkit_glue.h"
 #include "webkit/tools/test_shell/simple_resource_loader_bridge.h"
 
 using fileapi::FileSystemCallbackDispatcher;
 using fileapi::FileSystemContext;
-using fileapi::FileSystemFileUtil;
 using fileapi::FileSystemOperation;
 using fileapi::WebFileWriterBase;
 using WebKit::WebFileWriterClient;