HTML Imports: Get rid of needsProcessOrStop() from dom/custom/

Source/core/dom/custom/CustomElementScheduler.cpp

Index: Source/core/dom/custom/CustomElementScheduler.cpp
diff --git a/Source/core/dom/custom/CustomElementScheduler.cpp b/Source/core/dom/custom/CustomElementScheduler.cpp
index 1980496aa6322749dc9bc9e54466e5413e502078..72dccda93f160fa4ecc65e9dcaa938072f153423 100644
--- a/Source/core/dom/custom/CustomElementScheduler.cpp
+++ b/Source/core/dom/custom/CustomElementScheduler.cpp
@@ -84,13 +84,14 @@ CustomElementMicrotaskImportStep* CustomElementScheduler::scheduleImport(HTMLImp
     ASSERT(!import->isDone());
     ASSERT(import->parent());
 
-    OwnPtr<CustomElementMicrotaskImportStep> step = CustomElementMicrotaskImportStep::create(import);
-    CustomElementMicrotaskImportStep* rawStep = step.get();
-
     // Ownership of the new step is transferred to the parent
     // processing step, or the base queue.
-    CustomElementMicrotaskDispatcher::instance().enqueue(import->parent()->loader(), step.release());
-
+    OwnPtr<CustomElementMicrotaskImportStep> step = CustomElementMicrotaskImportStep::create(import);
+    CustomElementMicrotaskImportStep* rawStep = step.get();
+    if (import->isSync())
+        CustomElementMicrotaskDispatcher::instance().enqueue(import->parent()->loader(), step.release());
+    else
+        CustomElementMicrotaskDispatcher::instance().enqueueAsyncImportStep(step.release());
     return rawStep;
 }