Rename RenderText to LayoutText

Source/wtf/text/StringImpl.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller ( mueller@kde.org )
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
  *
  * 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
@@ skipping 431 matching lines @@
     if (!string)
         return empty();
     size_t length = strlen(reinterpret_cast<const char*>(string));
     RELEASE_ASSERT(length <= numeric_limits<unsigned>::max());
     return create(string, length);
 }
 
 bool StringImpl::containsOnlyWhitespace()
 {
     // FIXME: The definition of whitespace here includes a number of characters
-    // that are not whitespace from the point of view of RenderText; I wonder if
+    // that are not whitespace from the point of view of LayoutText; I wonder if
     // that's a problem in practice.
     if (is8Bit()) {
         for (unsigned i = 0; i < m_length; ++i) {
             UChar c = characters8()[i];
             if (!isASCIISpace(c))
                 return false;
         }
 
         return true;
     }
@@ skipping 1623 matching lines @@
 
 size_t StringImpl::sizeInBytes() const
 {
     size_t size = length();
     if (!is8Bit())
         size *= 2;
     return size + sizeof(*this);
 }
 
 } // namespace WTF