Allow posting a Task to Microtasks

Source/core/dom/Microtask.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/Microtask.h"
 
 #include "bindings/v8/V8PerIsolateData.h"
+#include "platform/Task.h"
+#include "public/platform/WebThread.h"
 #include "wtf/Vector.h"
 #include <v8.h>
 
 namespace WebCore {
 
-typedef Vector<MicrotaskCallback> MicrotaskQueue;
+typedef Vector<OwnPtr<blink::WebThread::Task> > MicrotaskQueue;
 
 static MicrotaskQueue& microtaskQueue()
 {
     DEFINE_STATIC_LOCAL(MicrotaskQueue, microtaskQueue, ());
     return microtaskQueue;
 }
 
 void Microtask::performCheckpoint()
 {
     V8PerIsolateData* isolateData = V8PerIsolateData::from(v8::Isolate::GetCurrent());
     ASSERT(isolateData);
     if (isolateData->recursionLevel() || isolateData->performingMicrotaskCheckpoint())
         return;
     isolateData->setPerformingMicrotaskCheckpoint(true);
 
     while (!microtaskQueue().isEmpty()) {
-        Vector<MicrotaskCallback> microtasks;
+        MicrotaskQueue microtasks;
         microtasks.swap(microtaskQueue());
         for (size_t i = 0; i < microtasks.size(); ++i) {
-            microtasks[i]();
+            microtasks[i]->run();
         }
     }
 
     isolateData->setPerformingMicrotaskCheckpoint(false);
 }
 
-void Microtask::enqueueMicrotask(MicrotaskCallback callback)
+void Microtask::enqueueMicrotask(PassOwnPtr<blink::WebThread::Task> callback)
 {
     microtaskQueue().append(callback);
 }
 
+void Microtask::enqueueMicrotask(const Closure& callback)
+{
+    enqueueMicrotask(adoptPtr(new Task(callback)));
+}
 } // namespace WebCore