Revert 108258 - broke Mac LayoutTests.

webkit/fileapi/file_system_file_util_proxy.h

Index: webkit/fileapi/file_system_file_util_proxy.h
===================================================================
--- webkit/fileapi/file_system_file_util_proxy.h	(revision 108273)
+++ webkit/fileapi/file_system_file_util_proxy.h	(working copy)
@@ -36,6 +36,7 @@
   typedef base::FileUtilProxy::Entry Entry;
 
   typedef base::FileUtilProxy::StatusCallback StatusCallback;
+  typedef base::FileUtilProxy::CreateOrOpenCallback CreateOrOpenCallback;
   typedef base::Callback<void(PlatformFileError,
                               bool /* created */
                               )> EnsureFileExistsCallback;
@@ -51,6 +52,23 @@
                     const FilePath& /* local_path, where possible */
                     >::Type GetLocalPathCallback;
 
+  // Creates or opens a file with the given flags.  It is invalid to pass NULL
+  // for the callback.
+  // If PLATFORM_FILE_CREATE is set in |file_flags| it always tries to create
+  // a new file at the given |file_path| and calls back with
+  // PLATFORM_FILE_ERROR_FILE_EXISTS if the |file_path| already exists.
+  static bool CreateOrOpen(const FileSystemOperationContext& context,
+                           scoped_refptr<MessageLoopProxy> message_loop_proxy,
+                           const FilePath& file_path,
+                           int file_flags,
+                           const CreateOrOpenCallback& callback);
+
+  // Close the given file handle.
+  static bool Close(const FileSystemOperationContext& context,
+                    scoped_refptr<MessageLoopProxy> message_loop_proxy,
+                    PlatformFile,
+                    const StatusCallback& callback);
+
   // Ensures that the given |file_path| exist.  This creates a empty new file
   // at |file_path| if the |file_path| does not exist.
   // If a new file han not existed and is created at the |file_path|,