Refactoring: Introduce ResouceLoaderHost interface for unloading ResourceLoader.

Source/core/css/CSSFontSelector.cpp

 /*
  * Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
  *           (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * 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 578 matching lines @@
     // CSSFontSelector could get deleted via beginLoadIfNeeded() or loadDone() unless protected.
     RefPtr<CSSFontSelector> protect(this);
 
     CachedResourceLoader* cachedResourceLoader = m_document->cachedResourceLoader();
     for (size_t i = 0; i < fontsToBeginLoading.size(); ++i) {
         fontsToBeginLoading[i]->beginLoadIfNeeded(cachedResourceLoader);
         // Balances incrementRequestCount() in beginLoadingFontSoon().
         cachedResourceLoader->decrementRequestCount(fontsToBeginLoading[i].get());
     }
     // Ensure that if the request count reaches zero, the frame loader will know about it.
-    cachedResourceLoader->loadDone(0);
+    cachedResourceLoader->didLoadResource(0);
     // New font loads may be triggered by layout after the document load is complete but before we have dispatched
     // didFinishLoading for the frame. Make sure the delegate is always dispatched by checking explicitly.
     if (m_document && m_document->frame())
         m_document->frame()->loader()->checkLoadComplete();
 }
 
 }