Remove obsolete canExpandAroundIdeographsInComplexText

Source/platform/fonts/Font.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2010, 2011 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 11 matching lines @@
  */
 
 #include "config.h"
 #include "platform/fonts/Font.h"
 
 #include "platform/LayoutUnit.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/fonts/Character.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/fonts/FontFallbackList.h"
-#include "platform/fonts/FontPlatformFeatures.h"
 #include "platform/fonts/GlyphBuffer.h"
 #include "platform/fonts/GlyphPageTreeNode.h"
 #include "platform/fonts/SimpleFontData.h"
 #include "platform/fonts/SimpleShaper.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/text/TextRun.h"
 #include "wtf/MainThread.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/unicode/CharacterNames.h"
@@ skipping 856 matching lines @@
                 if (delta <= 0)
                     break;
             }
         }
     }
 
     return offset;
 }
 
 } // namespace blink