wtf/Vector.h included more than necessary

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 16 matching lines @@
  * (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/core/v8/V8PerIsolateData.h"
 #include "platform/Task.h"
 #include "public/platform/WebThread.h"
-#include "wtf/Vector.h"
 #include <v8.h>
 
 namespace blink {
 
 void Microtask::performCheckpoint()
 {
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     V8PerIsolateData* isolateData = V8PerIsolateData::from(isolate);
     ASSERT(isolateData);
     if (isolateData->recursionLevel() || isolateData->performingMicrotaskCheckpoint())
@@ skipping 14 matching lines @@
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     isolate->EnqueueMicrotask(&microtaskFunctionCallback, callback.leakPtr());
 }
 
 void Microtask::enqueueMicrotask(const Closure& callback)
 {
     enqueueMicrotask(adoptPtr(new Task(callback)));
 }
 
 } // namespace blink