Revert of Move the FontFaceCache stored in CSSFontSelector to be stored in Document.

third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2012 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
@@ skipping 58 matching lines @@
   // the moment.
   if (!treeScope().rootNode().isDocumentNode())
     return;
 
   Document& document = treeScope().document();
   CSSFontSelector* cssFontSelector = document.styleEngine().fontSelector();
   const HeapVector<Member<StyleRuleFontFace>> fontFaceRules =
       ruleSet.fontFaceRules();
   for (auto& fontFaceRule : fontFaceRules) {
     if (FontFace* fontFace = FontFace::create(&document, fontFaceRule))
-      document.fontFaceCache()->add(cssFontSelector, fontFaceRule, fontFace);
+      cssFontSelector->fontFaceCache()->add(cssFontSelector, fontFaceRule,
+                                            fontFace);
   }
   if (fontFaceRules.size() && document.styleResolver())
     document.styleResolver()->invalidateMatchedPropertiesCache();
 }
 
 void ScopedStyleResolver::appendActiveStyleSheets(
     unsigned index,
     const ActiveStyleSheetVector& activeSheets) {
   for (auto activeIterator = activeSheets.begin() + index;
        activeIterator != activeSheets.end(); activeIterator++) {
@@ skipping 228 matching lines @@
   }
   return true;
 }
 
 DEFINE_TRACE(ScopedStyleResolver::RuleSubSet) {
   visitor->trace(m_parentStyleSheet);
   visitor->trace(m_ruleSet);
 }
 
 }  // namespace blink