HTML Imports: No more BlockingDocumentCreation.

Source/core/dom/custom/CustomElementMicrotaskImportStep.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:
  *
  * 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 14 matching lines @@
  * 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.
  */
 
 #include "config.h"
 #include "core/dom/custom/CustomElementMicrotaskImportStep.h"
 
 #include "core/dom/custom/CustomElementMicrotaskDispatcher.h"
+#include "core/dom/custom/CustomElementMicrotaskQueue.h"
 
 namespace WebCore {
 
-PassOwnPtr<CustomElementMicrotaskImportStep> CustomElementMicrotaskImportStep::create()
+PassOwnPtr<CustomElementMicrotaskImportStep> CustomElementMicrotaskImportStep::create(PassRefPtr<CustomElementMicrotaskQueue> queue)
 {
-    return adoptPtr(new CustomElementMicrotaskImportStep());
+    return adoptPtr(new CustomElementMicrotaskImportStep(queue));
 }
 
-void CustomElementMicrotaskImportStep::enqueue(PassOwnPtr<CustomElementMicrotaskStep> step)
+CustomElementMicrotaskImportStep::CustomElementMicrotaskImportStep(PassRefPtr<CustomElementMicrotaskQueue> queue)
+    : m_importFinished(false)
+    , m_queue(queue)
 {
-    // work should not be being created after the import is done
-    // because the parser is done
-    ASSERT(!m_importFinished);
-    m_queue.enqueue(step);
+}
+
+CustomElementMicrotaskImportStep::~CustomElementMicrotaskImportStep()
+{
 }
 
 void CustomElementMicrotaskImportStep::importDidFinish()
 {
     // imports should only "finish" once
     ASSERT(!m_importFinished);
     m_importFinished = true;
     CustomElementMicrotaskDispatcher::instance().importDidFinish(this);
 }
 
 CustomElementMicrotaskStep::Result CustomElementMicrotaskImportStep::process()
 {
-    Result result = m_queue.dispatch();
+    Result result = m_queue->dispatch();
     if (!m_importFinished)
         result = Result(result | ShouldStop);
     return result;
 }
 
 } // namespace WebCore