Remove WebViewImpl::setIsAcceleratedCompositingActive

Source/web/WebViewImpl.h

Index: Source/web/WebViewImpl.h
diff --git a/Source/web/WebViewImpl.h b/Source/web/WebViewImpl.h
index 423aab3c808e31517077c43bc94f907aef95e99d..285d8244b2908ce41028d3542caacf9291508049 100644
--- a/Source/web/WebViewImpl.h
+++ b/Source/web/WebViewImpl.h
@@ -738,9 +738,6 @@ private:
     GraphicsLayer* m_rootGraphicsLayer;
     GraphicsLayer* m_rootTransformLayer;
     OwnPtr<GraphicsLayerFactory> m_graphicsLayerFactory;
-    bool m_isAcceleratedCompositingActive;
-    bool m_layerTreeViewCommitsDeferred;
-    bool m_layerTreeViewClosed;
     bool m_matchesHeuristicsForGpuRasterization;
     // If true, the graphics context is being restored.
     bool m_recreatingGraphicsContext;
@@ -756,10 +753,7 @@ private:
     OwnPtrWillBePersistent<FullscreenController> m_fullscreenController;
 
     bool m_showFPSCounter;
-    bool m_showPaintRects;
-    bool m_showDebugBorders;
     bool m_continuousPaintingEnabled;
-    bool m_showScrollBottleneckRects;
     WebColor m_baseBackgroundColor;
     WebColor m_backgroundColorOverride;
     float m_zoomFactorOverride;