diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/include/utils/SkNullCanvas.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/include/utils/SkNullCanvas.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkNullCanvas_DEFINED
+#define SkNullCanvas_DEFINED
+
+#include "SkBitmap.h"
+
+class SkCanvas;
+
+/**
+ * Creates a canvas that draws nothing. This is useful for performance testing.
+ */
+SK_API SkCanvas* SkCreateNullCanvas();
+
+#endif