Fix FontCacheKey-keyed HashMap usage in core/css

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 89 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.hash(), nullptr).storedValue->value;
+    RefPtr<SegmentedFontData>& fontData = m_fontDataTable.add(key, nullptr).storedValue->value;
     if (fontData && fontData->numFaces())
         return fontData; // No release, we have a reference to an object in the cache which should retain the ref count it has.
 
     if (!fontData)
         fontData = SegmentedFontData::create();
 
     FontDescription requestedFontDescription(fontDescription);
     requestedFontDescription.setTraits(m_traits);
     requestedFontDescription.setSyntheticBold(m_traits.weight() < FontWeight600 && desiredTraits.weight() >= FontWeight600);
     requestedFontDescription.setSyntheticItalic(m_traits.style() == FontStyleNormal && desiredTraits.style() == FontStyleItalic);
@@ skipping 51 matching lines @@
     }
 }
 
 DEFINE_TRACE(CSSSegmentedFontFace)
 {
     visitor->trace(m_fontSelector);
     visitor->trace(m_fontFaces);
 }
 
 } // namespace blink