HTML Imports: No more BlockingDocumentCreation.

Source/core/html/imports/HTMLImportLoader.h

 /*
  * 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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef HTMLImportLoader_h
 #define HTMLImportLoader_h
 
 #include "core/fetch/RawResource.h"
 #include "core/fetch/ResourceOwner.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
 class Document;
 class DocumentWriter;
 class HTMLImportChild;
 class HTMLImportsController;
+class RefCountedCustomElementMicrotaskQueue;
 
 //
 // Owning imported Document lifetime. It also implements ResourceClient through ResourceOwner
 // to feed fetched bytes to the DocumentWriter of the imported document.
 // HTMLImportLoader is owned by and shared between HTMLImportChild.
 //
 //
 class HTMLImportLoader FINAL : public RefCounted<HTMLImportLoader>, public ResourceOwner<RawResource> {
 public:
     enum State {
@@ skipping 12 matching lines @@
     virtual ~HTMLImportLoader();
 
     Document* document() const { return m_importedDocument.get(); }
     Document* importedDocument() const;
     void addImport(HTMLImportChild*);
     void removeImport(HTMLImportChild*);
     HTMLImportChild* firstImport() const { return m_imports[0]; }
 
     bool isDone() const { return m_state == StateLoaded || m_state == StateError; }
     bool hasError() const { return m_state == StateError; }
+    bool shouldBlockScriptExecution() const;
 
     void importDestroyed();
     void startLoading(const ResourcePtr<RawResource>&);
     void didFinishParsing();
     void didRemoveAllPendingStylesheet();
-    bool isOwnedBy(const HTMLImportChild* import) const { return m_imports[0] == import; }
+
+    PassRefPtr<RefCountedCustomElementMicrotaskQueue> microtaskQueue() const;
 
 private:
     HTMLImportLoader(HTMLImportsController*);
 
     // RawResourceClient
     virtual void responseReceived(Resource*, const ResourceResponse&) OVERRIDE;
     virtual void dataReceived(Resource*, const char* data, int length) OVERRIDE;
     virtual void notifyFinished(Resource*) OVERRIDE;
 
     State startWritingAndParsing(const ResourceResponse&);
     State finishWriting();
     State finishParsing();
     State finishLoading();
 
     void setState(State);
     void didFinishLoading();
     bool hasPendingResources() const;
     void clear();
 
     HTMLImportsController* m_controller;
     Vector<HTMLImportChild*> m_imports;
     State m_state;
     RefPtr<Document> m_importedDocument;
     RefPtr<DocumentWriter> m_writer;
+    RefPtr<RefCountedCustomElementMicrotaskQueue> m_microtaskQueue;
 };
 
 } // namespace WebCore
 
 #endif // HTMLImportLoader_h