HTML Imports: No more BlockingDocumentCreation.

Source/core/dom/custom/CustomElementMicrotaskDispatcher.cpp

Index: Source/core/dom/custom/CustomElementMicrotaskDispatcher.cpp
diff --git a/Source/core/dom/custom/CustomElementMicrotaskDispatcher.cpp b/Source/core/dom/custom/CustomElementMicrotaskDispatcher.cpp
index 5337da3359835fb8512eaecab54cf2cf28eed2b5..acaef4de2fd2b1eedcc021431dcdfe26405e2981 100644
--- a/Source/core/dom/custom/CustomElementMicrotaskDispatcher.cpp
+++ b/Source/core/dom/custom/CustomElementMicrotaskDispatcher.cpp
@@ -10,7 +10,8 @@
 #include "core/dom/custom/CustomElementCallbackQueue.h"
 #include "core/dom/custom/CustomElementMicrotaskImportStep.h"
 #include "core/dom/custom/CustomElementScheduler.h"
-#include "core/html/imports/HTMLImport.h"
+#include "core/dom/custom/RefCountedCustomElementMicrotaskQueue.h"
+#include "core/html/imports/HTMLImportLoader.h"
 #include "wtf/MainThread.h"
 
 namespace WebCore {
@@ -29,12 +30,12 @@ CustomElementMicrotaskDispatcher& CustomElementMicrotaskDispatcher::instance()
     return instance;
 }
 
-void CustomElementMicrotaskDispatcher::enqueue(HTMLImport* import, PassOwnPtr<CustomElementMicrotaskStep> step)
+void CustomElementMicrotaskDispatcher::enqueue(HTMLImportLoader* importLoader, PassOwnPtr<CustomElementMicrotaskStep> step)
 {
     ASSERT(m_phase == Quiescent || m_phase == DispatchingCallbacks);
     ensureMicrotaskScheduled();
-    if (import && import->customElementMicrotaskStep())
-        import->customElementMicrotaskStep()->enqueue(step);
+    if (importLoader)
+        importLoader->microtaskQueue()->enqueue(step);
     else
         m_resolutionAndImports.enqueue(step);
 }