Migrate WTF::HashMap::add() to ::insert()

third_party/WebKit/Source/core/css/CSSSegmentedFontFace.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 84 matching lines @@
 PassRefPtr<FontData> CSSSegmentedFontFace::getFontData(
     const FontDescription& fontDescription) {
   if (!isValid())
     return nullptr;
 
   FontTraits desiredTraits = fontDescription.traits();
   FontCacheKey key =
       fontDescription.cacheKey(FontFaceCreationParams(), desiredTraits);
 
   RefPtr<SegmentedFontData>& fontData =
-      m_fontDataTable.add(key, nullptr).storedValue->value;
+      m_fontDataTable.insert(key, nullptr).storedValue->value;
   if (fontData && fontData->numFaces()) {
     // No release, we have a reference to an object in the cache which should
     // retain the ref count it has.
     return fontData;
   }
 
   if (!fontData)
     fontData = SegmentedFontData::create();
 
   FontDescription requestedFontDescription(fontDescription);
@@ skipping 74 matching lines @@
   }
 }
 
 DEFINE_TRACE(CSSSegmentedFontFace) {
   visitor->trace(m_fontSelector);
   visitor->trace(m_firstNonCssConnectedFace);
   visitor->trace(m_fontFaces);
 }
 
 }  // namespace blink