Faster WTF::toASCIILower() implementation for 8-bit strings

Source/wtf/ASCIICTypeTest.cpp

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "wtf/ASCIICType.h"
+
+#include <gtest/gtest.h>
+
+namespace WTF {
+
+TEST(ASCIICTypeTest, ASCIICaseFoldTable)
+{
+    LChar symbol = 0xff;
+    while (symbol--) {
+        EXPECT_EQ(toASCIILower<LChar>(symbol), ASCIICaseFoldTable[symbol]);
+    }
+}
+
+}