diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/core/SkStringUtils.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/core/SkStringUtils.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkString.h"
+#include "SkStringUtils.h"
+
+void SkAddFlagToString(SkString* string, bool flag, const char* flagStr, bool* needSeparator) {
+    if (flag) {
+        if (*needSeparator) {
+            string->append("|");
+        }
+        string->append(flagStr);
+        *needSeparator = true;
+    }
+}