[FileSystem] Add another copy-or-move validation hook for post-write.

webkit/browser/fileapi/copy_or_move_operation_delegate.h

Index: webkit/browser/fileapi/copy_or_move_operation_delegate.h
diff --git a/webkit/browser/fileapi/copy_or_move_operation_delegate.h b/webkit/browser/fileapi/copy_or_move_operation_delegate.h
index 4fc3818f2eb1c3c10d454beb84e1df1b863ec890..20a60d9b0a114e8098a1869f46619237a1263363 100644
--- a/webkit/browser/fileapi/copy_or_move_operation_delegate.h
+++ b/webkit/browser/fileapi/copy_or_move_operation_delegate.h
@@ -76,12 +76,25 @@ class CopyOrMoveOperationDelegate
       const base::FilePath& platform_path,
       base::PlatformFileError error);
   void DidFinishCopy(
-      const FileSystemURL& src,
+      const URLPair& url_pair,
+      const StatusCallback& callback,
+      base::PlatformFileError error);
+  void DoPostWriteValidation(
+      const URLPair& url_pair,
+      const StatusCallback& callback,
+      base::PlatformFileError error,
+      const base::PlatformFileInfo& file_info,
+      const base::FilePath& platform_path,
+      const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref);
+  void DidPostWriteValidation(
+      const URLPair& url_pair,
       const StatusCallback& callback,
       base::PlatformFileError error);
   void DidRemoveSourceForMove(
       const StatusCallback& callback,
       base::PlatformFileError error);
+  void DidRemoveDestForError(
+      base::PlatformFileError error);
 
   FileSystemURL CreateDestURL(const FileSystemURL& src_url) const;