Simplify LayoutTextFragment constructor.

third_party/WebKit/Source/core/layout/LayoutTextFragment.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 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 26 matching lines @@
     : LayoutText(node,
                  str ? str->substring(startOffset, length)
                      : PassRefPtr<StringImpl>(nullptr)),
       m_start(startOffset),
       m_fragmentLength(length),
       m_isRemainingTextLayoutObject(false),
       m_contentString(str),
       m_firstLetterPseudoElement(nullptr) {}
 
 LayoutTextFragment::LayoutTextFragment(Node* node, StringImpl* str)
-    : LayoutText(node, str),
-      m_start(0),
-      m_fragmentLength(str ? str->length() : 0),
-      m_isRemainingTextLayoutObject(false),
-      m_contentString(str),
-      m_firstLetterPseudoElement(nullptr) {}
+    : LayoutTextFragment(node, str, 0, str ? str->length() : 0) {}
 
 LayoutTextFragment::~LayoutTextFragment() {
   ASSERT(!m_firstLetterPseudoElement);
 }
 
 void LayoutTextFragment::willBeDestroyed() {
   if (m_isRemainingTextLayoutObject && m_firstLetterPseudoElement)
     m_firstLetterPseudoElement->setRemainingTextLayoutObject(nullptr);
   m_firstLetterPseudoElement = nullptr;
   LayoutText::willBeDestroyed();
@@ skipping 92 matching lines @@
   LayoutObject::updateHitTestResult(result, point);
 
   // If we aren't part of a first-letter element, or if we
   // are part of first-letter but we're the remaining text then return.
   if (m_isRemainingTextLayoutObject || !firstLetterPseudoElement())
     return;
   result.setInnerNode(firstLetterPseudoElement());
 }
 
 }  // namespace blink