HTML Imports: No more BlockingDocumentCreation.

Source/core/dom/custom/CustomElementMicrotaskImportStep.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:
  *
  * 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * 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 CustomElementMicrotaskImportStep_h
 #define CustomElementMicrotaskImportStep_h
 
-#include "core/dom/custom/CustomElementMicrotaskQueue.h"
 #include "core/dom/custom/CustomElementMicrotaskStep.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/PassOwnPtr.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefPtr.h"
 
 namespace WebCore {
 
+class CustomElementMicrotaskQueue;
+
 // Processes the Custom Elements in an HTML Import. This is a
 // composite step which processes the Custom Elements created by
 // parsing the import, and its sub-imports.
 //
 // This step blocks further Custom Element microtask processing if its
 // import isn't "ready" (finished parsing and running script.)
 class CustomElementMicrotaskImportStep : public CustomElementMicrotaskStep {
     WTF_MAKE_NONCOPYABLE(CustomElementMicrotaskImportStep);
 public:
-    static PassOwnPtr<CustomElementMicrotaskImportStep> create();
-    virtual ~CustomElementMicrotaskImportStep() { }
-
-    // API for CustomElementScheduler
-    void enqueue(PassOwnPtr<CustomElementMicrotaskStep>);
+    static PassOwnPtr<CustomElementMicrotaskImportStep> create(PassRefPtr<CustomElementMicrotaskQueue>);
+    virtual ~CustomElementMicrotaskImportStep();
 
     // API for HTML Imports
     void importDidFinish();
 
 private:
-    CustomElementMicrotaskImportStep() : m_importFinished(false) { }
+    CustomElementMicrotaskImportStep(PassRefPtr<CustomElementMicrotaskQueue>);
 
     // CustomElementMicrotaskStep
     virtual Result process() OVERRIDE FINAL;
 
     bool m_importFinished;
-    CustomElementMicrotaskQueue m_queue;
+    RefPtr<CustomElementMicrotaskQueue> m_queue;
 };
 
 }
 
 #endif // CustomElementMicrotaskImportStep_h