diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/animator/SkDisplayMath.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/animator/SkDisplayMath.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+
+/*
+ * Copyright 2006 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#ifndef SkDisplayMath_DEFINED
+#define SkDisplayMath_DEFINED
+
+#include "SkDisplayable.h"
+#include "SkMemberInfo.h"
+#include "SkRandom.h"
+
+class SkDisplayMath : public SkDisplayable {
+    DECLARE_DISPLAY_MEMBER_INFO(Math);
+    virtual void executeFunction(SkDisplayable* , int index,
+        SkTDArray<SkScriptValue>& parameters, SkDisplayTypes type,
+        SkScriptValue* );
+    virtual const SkFunctionParamType* getFunctionsParameters();
+    virtual bool getProperty(int index, SkScriptValue* value) const;
+private:
+    mutable SkRandom fRandom;
+    static const SkScalar gConstants[];
+    static const SkFunctionParamType fFunctionParameters[];
+
+};
+
+#endif // SkDisplayMath_DEFINED