Using fullstop Unicode if horizontal ellipsis not present

Source/wtf/unicode/CharacterNames.h

Index: Source/wtf/unicode/CharacterNames.h
diff --git a/Source/wtf/unicode/CharacterNames.h b/Source/wtf/unicode/CharacterNames.h
index eaaf979b650430fb66fb748d447e98ff8b7ac5a2..531c13adbf0d7a79c53a1b14e6ad9b5f85dbd04a 100644
--- a/Source/wtf/unicode/CharacterNames.h
+++ b/Source/wtf/unicode/CharacterNames.h
@@ -52,6 +52,7 @@ const UChar ethiopicPrefaceColon = 0x1366;
 const UChar ethiopicWordspace = 0x1361;
 const UChar firstStrongIsolate = 0x2068;
 const UChar fisheye = 0x25C9;
+const UChar fullstopCharacter = 0x002E;
 const UChar hebrewPunctuationGeresh = 0x05F3;
 const UChar hebrewPunctuationGershayim = 0x05F4;
 const UChar HiraganaLetterSmallA = 0x3041;
@@ -120,6 +121,7 @@ using WTF::Unicode::ethiopicPrefaceColon;
 using WTF::Unicode::ethiopicWordspace;
 using WTF::Unicode::firstStrongIsolate;
 using WTF::Unicode::fisheye;
+using WTF::Unicode::fullstopCharacter;
 using WTF::Unicode::hebrewPunctuationGeresh;
 using WTF::Unicode::hebrewPunctuationGershayim;
 using WTF::Unicode::HiraganaLetterSmallA;