diff -r 000000000000 -r 6474c204b198 gfx/angle/src/compiler/preprocessor/Macro.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/compiler/preprocessor/Macro.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+//
+// 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.
+//
+
+#ifndef COMPILER_PREPROCESSOR_MACRO_H_
+#define COMPILER_PREPROCESSOR_MACRO_H_
+
+#include <map>
+#include <string>
+#include <vector>
+
+namespace pp
+{
+
+struct Token;
+
+struct Macro
+{
+    enum Type
+    {
+        kTypeObj,
+        kTypeFunc
+    };
+    typedef std::vector<std::string> Parameters;
+    typedef std::vector<Token> Replacements;
+
+    Macro() : predefined(false), disabled(false), type(kTypeObj) { }
+    bool equals(const Macro& other) const;
+
+    bool predefined;
+    mutable bool disabled;
+
+    Type type;
+    std::string name;
+    Parameters parameters;
+    Replacements replacements;
+};
+
+typedef std::map<std::string, Macro> MacroSet;
+
+}  // namespace pp
+#endif  // COMPILER_PREPROCESSOR_MACRO_H_