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

third_party/WebKit/Source/platform/fonts/shaping/ShapeResult.cpp

 /*
  * Copyright (c) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 BlackBerry Limited. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 212 matching lines @@
 
 void ShapeResult::fallbackFonts(
     HashSet<const SimpleFontData*>* fallback) const {
   ASSERT(fallback);
   ASSERT(m_primaryFont);
   for (unsigned i = 0; i < m_runs.size(); ++i) {
     if (m_runs[i] && m_runs[i]->m_fontData &&
         m_runs[i]->m_fontData != m_primaryFont &&
         !m_runs[i]->m_fontData->isTextOrientationFallbackOf(
             m_primaryFont.get())) {
-      fallback->add(m_runs[i]->m_fontData.get());
+      fallback->insert(m_runs[i]->m_fontData.get());
     }
   }
 }
 
 void ShapeResult::applySpacing(ShapeResultSpacing& spacing,
                                const TextRun& textRun) {
   float offsetX, offsetY;
   float& offset = spacing.isVerticalOffset() ? offsetY : offsetX;
   float totalSpace = 0;
   for (auto& run : m_runs) {
@@ skipping 157 matching lines @@
   result->m_width = run->m_width;
   result->m_numGlyphs = count;
   DCHECK_EQ(result->m_numGlyphs, count);  // no overflow
   result->m_hasVerticalOffsets =
       fontData->platformData().isVerticalAnyUpright();
   result->m_runs.push_back(std::move(run));
   return result.release();
 }
 
 }  // namespace blink