Fix Hangul Tone Marks not to delimit in CachingWordShapeIterator

third_party/WebKit/Source/platform/fonts/shaping/CachingWordShapeIterator.h

 /*
  * Copyright (C) 2015 Google 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 136 matching lines @@
             }
         }
 
         for (unsigned i = m_startIndex + 1; ; i++) {
             if (i == length || isWordDelimiter(m_textRun[i])) {
                 return i;
             }
             if (!m_textRun.is8Bit()) {
                 UChar32 nextChar;
                 U16_GET(m_textRun.characters16(), 0, i, length, nextChar);
-                if (Character::isCJKIdeographOrSymbol(nextChar))
+                if (Character::isCJKIdeographOrSymbolBase(nextChar))
                     return i;
             }
         }
     }
 
     bool shapeToEndIndex(RefPtr<ShapeResult>* result, unsigned endIndex)
     {
         if (!endIndex || endIndex <= m_startIndex)
             return false;
 
@@ skipping 51 matching lines @@
     const Font* m_font;
     ShapeResultSpacing m_spacing;
     float m_widthSoFar; // Used only when allowTabs()
     unsigned m_startIndex : 31;
     unsigned m_shapeByWord : 1;
 };
 
 } // namespace blink
 
 #endif // CachingWordShapeIterator_h