Migrate WTF::HashSet::add() to ::insert() [part 1 of N]

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

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  *               All right reserved.
  * Copyright (C) 2010 Google 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 570 matching lines @@
         wordGlyphBounds.move(measuredWidth, 0);
         glyphBounds.unite(wordGlyphBounds);
         measuredWidth += wordMeasurement.width;
       }
       if (!wordMeasurement.fallbackFonts.isEmpty()) {
         HashSet<const SimpleFontData*>::const_iterator end =
             wordMeasurement.fallbackFonts.end();
         for (HashSet<const SimpleFontData*>::const_iterator it =
                  wordMeasurement.fallbackFonts.begin();
              it != end; ++it)
-          fallbackFonts.add(*it);
+          fallbackFonts.insert(*it);
       }
     }
     wordMeasurementsIndex = i;
     if (lastEndOffset != run->m_stop) {
       // If we don't have enough cached data, we'll measure the run again.
       canUseCachedWordMeasurements = false;
       fallbackFonts.clear();
     }
   }
 
@@ skipping 1911 matching lines @@
 
 bool LayoutBlockFlow::paintedOutputOfObjectHasNoEffectRegardlessOfSize() const {
   // LayoutBlockFlow is in charge of paint invalidation of the first line.
   if (firstLineBox())
     return false;
 
   return LayoutBlock::paintedOutputOfObjectHasNoEffectRegardlessOfSize();
 }
 
 }  // namespace blink