Remove scheduleLayerUpdate from RenderLayerCompositor.

Source/core/frame/DeprecatedScheduleStyleRecalcDuringCompositingUpdate.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 DeprecatedScheduleStyleRecalcDuringCompositingUpdate_h
-#define DeprecatedScheduleStyleRecalcDuringCompositingUpdate_h
-
-#include "core/dom/DocumentLifecycle.h"
-
-namespace WebCore {
-
-class DeprecatedScheduleStyleRecalcDuringCompositingUpdate {
-    WTF_MAKE_NONCOPYABLE(DeprecatedScheduleStyleRecalcDuringCompositingUpdate);
-public:
-    explicit DeprecatedScheduleStyleRecalcDuringCompositingUpdate(DocumentLifecycle&);
-    ~DeprecatedScheduleStyleRecalcDuringCompositingUpdate();
-
-private:
-    DocumentLifecycle& m_lifecycle;
-    DocumentLifecycle::DeprecatedTransition m_deprecatedTransition;
-    DocumentLifecycle::State m_originalState;
-};
-
-}
-
-#endif