Remove resource type-specific fetching logic from ResourceFetcher

Source/core/css/CSSFontFaceSrcValue.cpp

 /*
  * Copyright (C) 2007, 2010 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 72 matching lines @@
 FontResource* CSSFontFaceSrcValue::fetch(Document* document)
 {
     if (!m_fetched) {
         FetchRequest request(ResourceRequest(document->completeURL(m_resource)), FetchInitiatorTypeNames::css);
         request.setContentSecurityCheck(m_shouldCheckContentSecurityPolicy);
         SecurityOrigin* securityOrigin = document->securityOrigin();
         if (shouldSetCrossOriginAccessControl(request.url(), securityOrigin)) {
             request.setCrossOriginAccessControl(securityOrigin, DoNotAllowStoredCredentials);
         }
         request.mutableResourceRequest().setHTTPReferrer(SecurityPolicy::generateReferrer(m_referrer.referrerPolicy, request.url(), m_referrer.referrer));
-        m_fetched = document->fetcher()->fetchFont(request);
+        m_fetched = FontResource::fetch(request, document->fetcher());
     } else {
         // FIXME: CSSFontFaceSrcValue::fetch is invoked when @font-face rule
         // is processed by StyleResolver / StyleEngine.
         restoreCachedResourceIfNeeded(document);
     }
     return m_fetched.get();
 }
 
 void CSSFontFaceSrcValue::restoreCachedResourceIfNeeded(Document* document)
 {
@@ skipping 10 matching lines @@
         m_fetched->lastResourceRequest().url(), MixedContentChecker::SendReport);
     document->fetcher()->requestLoadStarted(m_fetched.get(), request, ResourceFetcher::ResourceLoadingFromCache);
 }
 
 bool CSSFontFaceSrcValue::equals(const CSSFontFaceSrcValue& other) const
 {
     return m_isLocal == other.m_isLocal && m_format == other.m_format && m_resource == other.m_resource;
 }
 
 }