diff -r 000000000000 -r 6474c204b198 gfx/angle/src/compiler/preprocessor/pp_utils.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/compiler/preprocessor/pp_utils.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,18 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// pp_utils.h: Common preprocessor utilities
+
+#ifndef COMPILER_PREPROCESSOR_PPUTILS_H_
+#define COMPILER_PREPROCESSOR_PPUTILS_H_
+
+// A macro to disallow the copy constructor and operator= functions
+// This must be used in the private: declarations for a class.
+#define PP_DISALLOW_COPY_AND_ASSIGN(TypeName) \
+  TypeName(const TypeName&);               \
+  void operator=(const TypeName&)
+
+#endif // COMPILER_PREPROCESSOR_PPUTILS_H_