Improve performance of Character::isCJKIdeographOrSymbol by using trie tree

third_party/WebKit/Source/platform/fonts/CharacterProperty.h

Index: third_party/WebKit/Source/platform/fonts/CharacterProperty.h
diff --git a/third_party/WebKit/Source/platform/fonts/CharacterProperty.h b/third_party/WebKit/Source/platform/fonts/CharacterProperty.h
new file mode 100644
index 0000000000000000000000000000000000000000..7b37a983d2f105ee37ba15eb757cb89a4ca624bd
--- /dev/null
+++ b/third_party/WebKit/Source/platform/fonts/CharacterProperty.h
@@ -0,0 +1,39 @@
+// Copyright 2016 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 <cstdint>
+
+namespace blink {
+
+using CharacterPropertyType = uint8_t;
+
+enum class CharacterProperty : CharacterPropertyType {
+    isCJKIdeographOrSymbol = 0x0001,
+    isUprightInMixedVertical = 0x0002,
+};
+
+inline CharacterProperty operator | (
+    CharacterProperty a, CharacterProperty b)
+{
+    return static_cast<CharacterProperty>(
+        static_cast<CharacterPropertyType>(a)
+        | static_cast<CharacterPropertyType>(b));
+}
+
+inline CharacterProperty operator & (
+    CharacterProperty a, CharacterProperty b)
+{
+    return static_cast<CharacterProperty>(
+        static_cast<CharacterPropertyType>(a)
+        & static_cast<CharacterPropertyType>(b));
+}
+
+inline CharacterProperty operator |= (
+    CharacterProperty& a, CharacterProperty b)
+{
+    a = a | b;
+    return a;
+}
+
+} // namespace blink