Cleanup: Remove unused include headers and forward declarations

Source/core/rendering/compositing/CompositingRequirementsUpdater.cpp

 /*
  * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2014 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 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/rendering/compositing/CompositingRequirementsUpdater.h"
 
-#include "CSSPropertyNames.h"
-#include "HTMLNames.h"
-#include "RuntimeEnabledFeatures.h"
-#include "core/animation/ActiveAnimations.h"
-#include "core/animation/DocumentAnimations.h"
-#include "core/dom/FullscreenElementStack.h"
-#include "core/dom/NodeList.h"
-#include "core/frame/FrameView.h"
-#include "core/frame/LocalFrame.h"
-#include "core/frame/Settings.h"
-#include "core/html/HTMLCanvasElement.h"
-#include "core/html/HTMLIFrameElement.h"
-#include "core/html/HTMLMediaElement.h"
-#include "core/html/canvas/CanvasRenderingContext.h"
-#include "core/inspector/InspectorInstrumentation.h"
-#include "core/page/Chrome.h"
-#include "core/page/Page.h"
-#include "core/page/scrolling/ScrollingConstraints.h"
-#include "core/page/scrolling/ScrollingCoordinator.h"
-#include "core/rendering/HitTestResult.h"
-#include "core/rendering/RenderApplet.h"
-#include "core/rendering/RenderEmbeddedObject.h"
-#include "core/rendering/RenderFullScreen.h"
-#include "core/rendering/RenderIFrame.h"
 #include "core/rendering/RenderLayerStackingNode.h"
 #include "core/rendering/RenderLayerStackingNodeIterator.h"
-#include "core/rendering/RenderReplica.h"
-#include "core/rendering/RenderVideo.h"
 #include "core/rendering/RenderView.h"
-#include "core/rendering/compositing/CompositedLayerMapping.h"
-#include "core/rendering/compositing/GraphicsLayerUpdater.h"
 #include "core/rendering/compositing/RenderLayerCompositor.h"
-#include "platform/OverscrollTheme.h"
-#include "platform/TraceEvent.h"
-#include "platform/geometry/TransformState.h"
-#include "platform/graphics/GraphicsLayer.h"
-#include "platform/scroll/ScrollbarTheme.h"
-#include "public/platform/Platform.h"
-#include "wtf/TemporaryChange.h"
 
 namespace WebCore {
 
 class OverlapMapContainer {
 public:
     void add(const IntRect& bounds)
     {
         m_layerRects.append(bounds);
         m_boundingBox.unite(bounds);
     }
@@ skipping 412 matching lines @@
     layer->setCompositingReasons(reasonsToComposite);
 
 }
 
 bool CompositingRequirementsUpdater::isRunningAcceleratedTransformAnimation(RenderObject* renderer) const
 {
     return renderer->style()->hasCurrentTransformAnimation();
 }
 
 } // namespace WebCore