Refactoring: Get rid of HTMLImportLoaerClient

Source/core/html/imports/HTMLImportChild.cpp

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 107 matching lines @@
     if (!m_loader)
         return 0;
     return m_loader->importedDocument();
 }
 
 void HTMLImportChild::importDestroyed()
 {
     if (parent())
         parent()->removeChild(this);
     if (m_loader) {
-        m_loader->removeClient(this);
+        m_loader->removeImport(this);
         m_loader.clear();
     }
 }
 
 HTMLImportRoot* HTMLImportChild::root()
 {
     return parent() ? parent()->root() : 0;
 }
 
 Document* HTMLImportChild::document() const
@@ skipping 41 matching lines @@
     if (HTMLImportChild* found = root()->findLinkFor(m_url, this))
         shareLoader(found);
     else
         createLoader();
 }
 
 void HTMLImportChild::createLoader()
 {
     ASSERT(!state().shouldBlockDocumentCreation());
     ASSERT(!m_loader);
-    m_loader = HTMLImportLoader::create(this);
-    m_loader->addClient(this);
+    m_loader = HTMLImportLoader::create();
+    m_loader->addImport(this);
     m_loader->startLoading(resource());
 }
 
 void HTMLImportChild::shareLoader(HTMLImportChild* loader)
 {
     ASSERT(!m_loader);
     m_loader = loader->m_loader;
-    m_loader->addClient(this);
+    m_loader->addImport(this);
     stateWillChange();
 }
 
 bool HTMLImportChild::isDone() const
 {
     return m_loader && m_loader->isDone();
 }
 
 bool HTMLImportChild::hasLoader() const
 {
@@ skipping 38 matching lines @@
     HTMLImport::showThis();
     fprintf(stderr, " loader=%p own=%s async=%s url=%s",
         m_loader.get(),
         hasLoader() && ownsLoader() ? "Y" : "N",
         isSync() ? "Y" : "N",
         url().string().utf8().data());
 }
 #endif
 
 } // namespace WebCore