Refactoring: Get rid of HTMLImportRoot.

Source/core/html/imports/HTMLImportsController.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 32 matching lines @@
 
 void HTMLImportsController::provideTo(Document& master)
 {
     DEFINE_STATIC_LOCAL(const char*, name, ("HTMLImportsController"));
     OwnPtr<HTMLImportsController> controller = adoptPtr(new HTMLImportsController(master));
     master.setImportsController(controller.get());
     DocumentSupplement::provideTo(master, name, controller.release());
 }
 
 HTMLImportsController::HTMLImportsController(Document& master)
-    : m_master(&master)
+    : HTMLImport(HTMLImport::Sync)
+    , m_master(&master)
     , m_recalcTimer(this, &HTMLImportsController::recalcTimerFired)
 {
     recalcTreeState(this); // This recomputes initial state.
 }
 
 HTMLImportsController::~HTMLImportsController()
 {
     ASSERT(!m_master);
 }
 
@@ skipping 73 matching lines @@
 ResourceFetcher* HTMLImportsController::fetcher() const
 {
     return m_master->fetcher();
 }
 
 LocalFrame* HTMLImportsController::frame() const
 {
     return m_master->frame();
 }
 
-HTMLImportRoot* HTMLImportsController::root()
-{
-    return this;
-}
-
 Document* HTMLImportsController::document() const
 {
     return m_master;
 }
 
 bool HTMLImportsController::shouldBlockScriptExecution(const Document& document) const
 {
     ASSERT(document.importsController() == this);
     if (HTMLImportLoader* loader = loaderFor(document))
         return loader->firstImport()->state().shouldBlockScriptExecution();
@@ skipping 10 matching lines @@
 bool HTMLImportsController::hasLoader() const
 {
     return true;
 }
 
 bool HTMLImportsController::isDone() const
 {
     return !m_master->parsing() && m_master->styleEngine()->haveStylesheetsLoaded();
 }
 
+void HTMLImportsController::stateWillChange()
+{
+    scheduleRecalcState();
+}
+
 void HTMLImportsController::stateDidChange()
 {
     HTMLImport::stateDidChange();
 
     if (!state().isReady())
         return;
     if (LocalFrame* frame = m_master->frame())
         frame->loader().checkCompleted();
 }
 
@@ skipping 24 matching lines @@
 {
     for (size_t i = 0; i < m_loaders.size(); ++i) {
         if (m_loaders[i]->document() == &document)
             return m_loaders[i].get();
     }
 
     return 0;
 }
 
 } // namespace WebCore