Migrate WTF::HashMap::get() to ::at()

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

 /*
  * Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google 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
@@ skipping 115 matching lines @@
   m_cssConnectedFontFaces.clear();
   incrementVersion();
 }
 
 void FontFaceCache::incrementVersion() {
   m_version = ++s_version;
 }
 
 CSSSegmentedFontFace* FontFaceCache::get(const FontDescription& fontDescription,
                                          const AtomicString& family) {
-  TraitsMap* familyFontFaces = m_fontFaces.get(family);
+  TraitsMap* familyFontFaces = m_fontFaces.at(family);
   if (!familyFontFaces || familyFontFaces->isEmpty())
     return nullptr;
 
   FamilyToTraitsMap::AddResult traitsResult = m_fonts.insert(family, nullptr);
   if (!traitsResult.storedValue->value)
     traitsResult.storedValue->value = new TraitsMap;
 
   FontTraits traits = fontDescription.traits();
   TraitsMap::AddResult faceResult =
       traitsResult.storedValue->value->insert(traits.bitfield(), nullptr);
@@ skipping 11 matching lines @@
 }
 
 DEFINE_TRACE(FontFaceCache) {
   visitor->trace(m_fontFaces);
   visitor->trace(m_fonts);
   visitor->trace(m_styleRuleToFontFace);
   visitor->trace(m_cssConnectedFontFaces);
 }
 
 }  // namespace blink