Define a variable to distinguish system_icu from bundled_icu in Blink

Source/wtf/unicode/CharacterNames.h

 /*
  * Copyright (C) 2007, 2009, 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 42 matching lines @@
 const UChar firstStrongIsolateCharacter = 0x2068;
 const UChar fisheyeCharacter = 0x25C9;
 const UChar hebrewPunctuationGereshCharacter = 0x05F3;
 const UChar hebrewPunctuationGershayimCharacter = 0x05F4;
 const UChar hiraganaLetterSmallACharacter = 0x3041;
 const UChar horizontalEllipsisCharacter = 0x2026;
 const UChar hyphenCharacter = 0x2010;
 const UChar hyphenMinusCharacter = 0x002D;
 const UChar ideographicCommaCharacter = 0x3001;
 const UChar ideographicFullStopCharacter = 0x3002;
+#if defined(USING_SYSTEM_ICU)
 const UChar ideographicSpaceCharacter = 0x3000;
+#endif
 const UChar inhibitArabicFormShapingCharacter = 0x206C;
 const UChar inhibitSymmetricSwappingCharacter = 0x206A;
 const UChar latinCapitalLetterIWithDotAbove = 0x0130;
 const UChar latinSmallLetterDotlessI = 0x0131;
 const UChar leftDoubleQuotationMarkCharacter = 0x201C;
 const UChar leftSingleQuotationMarkCharacter = 0x2018;
 const UChar leftToRightEmbedCharacter = 0x202A;
 const UChar leftToRightIsolateCharacter = 0x2066;
 const UChar leftToRightMarkCharacter = 0x200E;
 const UChar leftToRightOverrideCharacter = 0x202D;
@@ skipping 51 matching lines @@
 using WTF::Unicode::firstStrongIsolateCharacter;
 using WTF::Unicode::fisheyeCharacter;
 using WTF::Unicode::hebrewPunctuationGereshCharacter;
 using WTF::Unicode::hebrewPunctuationGershayimCharacter;
 using WTF::Unicode::hiraganaLetterSmallACharacter;
 using WTF::Unicode::horizontalEllipsisCharacter;
 using WTF::Unicode::hyphenCharacter;
 using WTF::Unicode::hyphenMinusCharacter;
 using WTF::Unicode::ideographicCommaCharacter;
 using WTF::Unicode::ideographicFullStopCharacter;
+#if defined(USING_SYSTEM_ICU)
 using WTF::Unicode::ideographicSpaceCharacter;
+#endif
 using WTF::Unicode::inhibitArabicFormShapingCharacter;
 using WTF::Unicode::inhibitSymmetricSwappingCharacter;
 using WTF::Unicode::latinCapitalLetterIWithDotAbove;
 using WTF::Unicode::latinSmallLetterDotlessI;
 using WTF::Unicode::leftDoubleQuotationMarkCharacter;
 using WTF::Unicode::leftSingleQuotationMarkCharacter;
 using WTF::Unicode::leftToRightEmbedCharacter;
 using WTF::Unicode::leftToRightIsolateCharacter;
 using WTF::Unicode::leftToRightMarkCharacter;
 using WTF::Unicode::leftToRightOverrideCharacter;
@@ skipping 25 matching lines @@
 using WTF::Unicode::whiteCircleCharacter;
 using WTF::Unicode::whiteSesameDotCharacter;
 using WTF::Unicode::whiteUpPointingTriangleCharacter;
 using WTF::Unicode::yenSignCharacter;
 using WTF::Unicode::zeroWidthJoinerCharacter;
 using WTF::Unicode::zeroWidthNonJoinerCharacter;
 using WTF::Unicode::zeroWidthSpaceCharacter;
 using WTF::Unicode::zeroWidthNoBreakSpaceCharacter;
 
 #endif // CharacterNames_h