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

webkit/fileapi/file_system_operation.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 WEBKIT_FILEAPI_FILE_SYSTEM_OPERATION_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_OPERATION_H_
 
 #include <vector>
 
 #include "base/file_path.h"
@@ skipping 30 matching lines @@
 
 // This class is designed to serve one-time file system operation per instance.
 // Only one method(CreateFile, CreateDirectory, Copy, Move, DirectoryExists,
 // GetMetadata, ReadDirectory and Remove) may be called during the lifetime of
 // this object and it should be called no more than once.
 // This class is self-destructed and an instance automatically gets deleted
 // when its operation is finished.
 class FileSystemOperation {
  public:
   // |dispatcher| will be owned by this class.
-  // |file_system_file_util| is optional; if supplied, it will not be deleted by
+  // |file_util| is optional; if supplied, it will not be deleted by
   // the class.  It's expecting a pointer to a singleton.
   FileSystemOperation(FileSystemCallbackDispatcher* dispatcher,
                       scoped_refptr<base::MessageLoopProxy> proxy,
                       FileSystemContext* file_system_context,
-                      FileSystemFileUtil* file_system_file_util);
+                      FileSystemFileUtil* file_util);
   virtual ~FileSystemOperation();
 
   void OpenFileSystem(const GURL& origin_url,
                       fileapi::FileSystemType type,
                       bool create);
   void CreateFile(const GURL& path,
                   bool exclusive);
   void CreateDirectory(const GURL& path,
                        bool exclusive,
                        bool recursive);
@@ skipping 107 matching lines @@
   // FileSystemFileUtil subclass for this type.
   // Returns true if the given |path| is a valid FileSystem path.
   // Otherwise it calls dispatcher's DidFail method with
   // PLATFORM_FILE_ERROR_SECURITY and returns false.
   // (Note: this doesn't delete this when it calls DidFail and returns false;
   // it's the caller's responsibility.)
   bool VerifyFileSystemPathForRead(const GURL& path,
                                    GURL* root_url,
                                    FileSystemType* type,
                                    FilePath* virtual_path,
-                                   FileSystemFileUtil** file_system_file_util);
+                                   FileSystemFileUtil** file_util);
 
   // Checks the validity of a given |path| for writing, cracks the path into
   // root URL and virtual path components, and returns the correct
   // FileSystemFileUtil subclass for this type.
   // Returns true if the given |path| is a valid FileSystem path, and
   // its origin embedded in the path has the right to write.
   // Otherwise it fires dispatcher's DidFail method with
   // PLATFORM_FILE_ERROR_SECURITY if the path is not valid for writing,
   // or with PLATFORM_FILE_ERROR_NO_SPACE if the origin is not allowed to
   // write to the storage.
   // In either case it returns false after firing DidFail.
   // If |create| flag is true this also checks if the |path| contains
   // any restricted names and chars. If it does, the call fires dispatcher's
   // DidFail with PLATFORM_FILE_ERROR_SECURITY and returns false.
   // (Note: this doesn't delete this when it calls DidFail and returns false;
   // it's the caller's responsibility.)
   bool VerifyFileSystemPathForWrite(const GURL& path,
                                     bool create,
                                     GURL* root_url,
                                     FileSystemType* type,
                                     FilePath* virtual_path,
-                                    FileSystemFileUtil** file_system_file_util);
+                                    FileSystemFileUtil** file_util);
 
 #ifndef NDEBUG
   enum OperationType {
     kOperationNone,
     kOperationOpenFileSystem,
     kOperationCreateFile,
     kOperationCreateDirectory,
     kOperationCopy,
     kOperationMove,
     kOperationDirectoryExists,
@@ skipping 47 matching lines @@
 
   // Length to be truncated.
   int64 length_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemOperation);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_OPERATION_H_