Fix positioning of "text-underline-position:under" for multi-elements

third_party/WebKit/Source/core/layout/line/InlineBox.h

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009, 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 155 matching lines @@
   virtual void setConstructed() { m_bitfields.setConstructed(true); }
 
   void setExtracted(bool extracted = true) {
     m_bitfields.setExtracted(extracted);
   }
 
   void setFirstLineStyleBit(bool firstLine) {
     m_bitfields.setFirstLine(firstLine);
   }
   bool isFirstLineStyle() const { return m_bitfields.firstLine(); }
+  const ComputedStyle& lineStyleRef() const {
+    return getLineLayoutItem().styleRef(isFirstLineStyle());
+  }
 
   void remove(MarkLineBoxes = MarkLineBoxesDirty);
 
   InlineBox* nextOnLine() const { return m_next; }
   InlineBox* prevOnLine() const { return m_prev; }
   void setNextOnLine(InlineBox* next) {
     ASSERT(m_parent || !next);
     m_next = next;
   }
   void setPrevOnLine(InlineBox* prev) {
@@ skipping 380 matching lines @@
 
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::InlineBox*);
 void showLineTree(const blink::InlineBox*);
 #endif
 
 #endif  // InlineBox_h