Expand WTF::StringView's API to be more like StringPiece.

third_party/WebKit/Source/core/layout/LayoutText.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.
  * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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 850 matching lines @@
 static float maxWordFragmentWidth(LayoutText* layoutText,
     const ComputedStyle& style, const Font& font, TextDirection textDirection,
     Hyphenation& hyphenation, unsigned wordOffset, unsigned wordLength,
     int& suffixStart)
 {
     suffixStart = 0;
     if (wordLength <= Hyphenation::minimumSuffixLength)
         return 0;
 
     Vector<size_t, 8> hyphenLocations = hyphenation.hyphenLocations(
-        layoutText->text().createView(wordOffset, wordLength));
+        StringView(layoutText->text(), wordOffset, wordLength));
     if (hyphenLocations.isEmpty())
         return 0;
 
     float minimumFragmentWidthToConsider = Hyphenation::minimumPrefixWidth(font);
     float maxFragmentWidth = 0;
     TextRun run = constructTextRun(font, layoutText, wordOffset, wordLength, style, textDirection);
     size_t end = wordLength;
     for (size_t start : hyphenLocations) {
         float fragmentWidth = font.getCharacterRange(run, start, end).width();
 
@@ skipping 868 matching lines @@
     for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) {
         paintInvalidationContainer.invalidateDisplayItemClientOnBacking(*box, invalidationReason);
         if (box->truncation() != cNoTruncation) {
             if (EllipsisBox* ellipsisBox = box->root().ellipsisBox())
                 paintInvalidationContainer.invalidateDisplayItemClientOnBacking(*ellipsisBox, invalidationReason);
         }
     }
 }
 
 } // namespace blink