Apply hyphenation when there is only one word in a paragraph

third_party/WebKit/Source/core/layout/LayoutText.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004-2009, 2013 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 110 matching lines @@
   const LChar* characters8() const { return m_text.impl()->characters8(); }
   const UChar* characters16() const { return m_text.impl()->characters16(); }
   bool hasEmptyText() const { return m_text.isEmpty(); }
   UChar characterAt(unsigned) const;
   UChar uncheckedCharacterAt(unsigned) const;
   UChar operator[](unsigned i) const { return uncheckedCharacterAt(i); }
   UChar32 codepointAt(unsigned) const;
   unsigned textLength() const {
     return m_text.length();
   }  // non virtual implementation of length()
+  bool containsOnlyWhitespace(unsigned from, unsigned len) const;
   void positionLineBox(InlineBox*);
 
   virtual float width(unsigned from,
                       unsigned len,
                       const Font&,
                       LayoutUnit xPos,
                       TextDirection,
                       HashSet<const SimpleFontData*>* fallbackFonts = nullptr,
                       FloatRect* glyphBounds = nullptr) const;
   virtual float width(unsigned from,
@@ skipping 110 matching lines @@
   void layout() final { NOTREACHED(); }
   bool nodeAtPoint(HitTestResult&,
                    const HitTestLocation&,
                    const LayoutPoint&,
                    HitTestAction) final {
     NOTREACHED();
     return false;
   }
 
   void deleteTextBoxes();
-  bool containsOnlyWhitespace(unsigned from, unsigned len) const;
   float widthFromFont(const Font&,
                       int start,
                       int len,
                       float leadWidth,
                       float textWidthSoFar,
                       TextDirection,
                       HashSet<const SimpleFontData*>* fallbackFonts,
                       FloatRect* glyphBoundsAccumulation) const;
 
   void secureText(UChar mask);
@@ skipping 75 matching lines @@
 
 inline LayoutText* Text::layoutObject() const {
   return toLayoutText(CharacterData::layoutObject());
 }
 
 void applyTextTransform(const ComputedStyle*, String&, UChar);
 
 }  // namespace blink
 
 #endif  // LayoutText_h