Delete RenderLayerCompositor::m_compositingLayersNeedRebuild

Source/core/rendering/compositing/RenderLayerCompositor.h

 /*
  * Copyright (C) 2009 Apple 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
@@ skipping 31 matching lines @@
 class RenderLayerStackingNode;
 class RenderPart;
 class RenderVideo;
 class ScrollingCoordinator;
 class StickyPositionViewportConstraints;
 
 enum CompositingUpdateType {
     CompositingUpdateNone,
     CompositingUpdateOnCompositedScroll,
     CompositingUpdateAfterCompositingInputChange,
+    CompositingUpdateRebuildTree,
 };
 
 enum CompositingStateTransitionType {
     NoCompositingStateChange,
     AllocateOwnCompositedLayerMapping,
     RemoveOwnCompositedLayerMapping,
     PutInSquashingLayer,
     RemoveFromSquashingLayer
 };
 
@@ skipping 25 matching lines @@
     bool hasAcceleratedCompositing() const { return m_hasAcceleratedCompositing; }
     bool layerSquashingEnabled() const;
 
     bool acceleratedCompositingForOverflowScrollEnabled() const;
 
     bool rootShouldAlwaysComposite() const;
 
     // Copy the accelerated compositing related flags from Settings
     void updateAcceleratedCompositingSettings();
 
-    // Called when the layer hierarchy needs to be updated (compositing layers have been
-    // created, destroyed or re-parented).
-    void setCompositingLayersNeedRebuild();
-
     // Used to indicate that a compositing update will be needed for the next frame that gets drawn.
     void setNeedsCompositingUpdate(CompositingUpdateType);
 
     void didLayout();
 
     enum UpdateLayerCompositingStateOptions {
         Normal,
         UseChickenEggHacks, // Use this to trigger temporary chicken-egg hacks. See crbug.com/339892.
     };
 
@@ skipping 116 matching lines @@
     void attachRootLayer(RootLayerAttachment);
     void detachRootLayer();
 
     void updateOverflowControlsLayers();
 
     Page* page() const;
 
     GraphicsLayerFactory* graphicsLayerFactory() const;
     ScrollingCoordinator* scrollingCoordinator() const;
 
-    bool compositingLayersNeedRebuild();
-
     void enableCompositingModeIfNeeded();
 
     bool requiresHorizontalScrollbarLayer() const;
     bool requiresVerticalScrollbarLayer() const;
     bool requiresScrollCornerLayer() const;
 #if USE(RUBBER_BANDING)
     bool requiresOverhangLayers() const;
 #endif
 
     void applyUpdateLayerCompositingStateChickenEggHacks(RenderLayer*, CompositingStateTransitionType compositedLayerUpdate);
 
     DocumentLifecycle& lifecycle() const;
 
     void applyOverlayFullscreenVideoAdjustment();
 
     RenderView& m_renderView;
     OwnPtr<GraphicsLayer> m_rootContentLayer;
     OwnPtr<GraphicsLayer> m_rootTransformLayer;
 
     CompositingReasonFinder m_compositingReasonFinder;
 
     CompositingUpdateType m_pendingUpdateType;
 
     bool m_hasAcceleratedCompositing;
     bool m_compositing;
-    bool m_compositingLayersNeedRebuild;
 
     // The root layer doesn't composite if it's a non-scrollable frame.
     // So, after a layout we set this dirty bit to know that we need
     // to recompute whether the root layer should composite even if
     // none of its descendants composite.
     // FIXME: Get rid of all the callers of setCompositingModeEnabled
     // except the one in updateIfNeeded, then rename this to
     // m_compositingDirty.
     bool m_rootShouldAlwaysCompositeDirty;
     bool m_needsUpdateFixedBackground;
@@ skipping 13 matching lines @@
     OwnPtr<GraphicsLayer> m_layerForVerticalScrollbar;
     OwnPtr<GraphicsLayer> m_layerForScrollCorner;
 #if USE(RUBBER_BANDING)
     OwnPtr<GraphicsLayer> m_layerForOverhangShadow;
 #endif
 };
 
 } // namespace WebCore
 
 #endif // RenderLayerCompositor_h