wtf/Vector.h included more than necessary

Source/core/inspector/ScriptAsyncCallStack.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ScriptAsyncCallStack_h
 #define ScriptAsyncCallStack_h
 
 #include "core/InspectorTypeBuilder.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/RefCounted.h"
-#include "wtf/Vector.h"
 
 namespace blink {
 
 class ScriptAsyncCallStack : public RefCountedWillBeGarbageCollectedFinalized<ScriptAsyncCallStack> {
     DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(ScriptAsyncCallStack);
 public:
     static PassRefPtrWillBeRawPtr<ScriptAsyncCallStack> create(const String&, PassRefPtrWillBeRawPtr<ScriptCallStack>, PassRefPtrWillBeRawPtr<ScriptAsyncCallStack>);
 
     PassRefPtr<TypeBuilder::Console::AsyncStackTrace> buildInspectorObject() const;
 
     void trace(Visitor*);
 
 private:
     ScriptAsyncCallStack(const String&, PassRefPtrWillBeRawPtr<ScriptCallStack>, PassRefPtrWillBeRawPtr<ScriptAsyncCallStack>);
 
     String m_description;
     RefPtrWillBeMember<ScriptCallStack> m_callStack;
     RefPtrWillBeMember<ScriptAsyncCallStack> m_asyncStackTrace;
 };
 
 } // namespace blink
 
 #endif // ScriptAsyncCallStack_h