Revert of Add a parameter to FileStreamWriter::CreateForLocalFile to allow creating new

webkit/browser/fileapi/file_stream_writer.h

Index: webkit/browser/fileapi/file_stream_writer.h
diff --git a/webkit/browser/fileapi/file_stream_writer.h b/webkit/browser/fileapi/file_stream_writer.h
index 3a30ab26e05e7a48f6a2a16880c7edd0d175b60b..1ebdfb9191af2a0b2a7b5fd4fc12ff8e4d96330c 100644
--- a/webkit/browser/fileapi/file_stream_writer.h
+++ b/webkit/browser/fileapi/file_stream_writer.h
@@ -23,15 +23,12 @@
 // A generic interface for writing to a file-like object.
 class FileStreamWriter {
  public:
-  enum OpenOrCreate { OPEN_EXISTING_FILE, CREATE_NEW_FILE };
-
   // Creates a writer for the existing file in the path |file_path| starting
   // from |initial_offset|. Uses |task_runner| for async file operations.
   WEBKIT_STORAGE_BROWSER_EXPORT static FileStreamWriter* CreateForLocalFile(
       base::TaskRunner* task_runner,
       const base::FilePath& file_path,
-      int64 initial_offset,
-      OpenOrCreate open_or_create);
+      int64 initial_offset);
 
   // Closes the file. If there's an in-flight operation, it is canceled (i.e.,
   // the callback function associated with the operation is not called).