Remove usesCompositedScrolling

sky/engine/core/rendering/RenderLayer.h

Index: sky/engine/core/rendering/RenderLayer.h
diff --git a/sky/engine/core/rendering/RenderLayer.h b/sky/engine/core/rendering/RenderLayer.h
index a8394e6a527293fb356620bf7a7b66664887092f..084fc195fdd060d8c4a4de58f1fe739600868cef 100644
--- a/sky/engine/core/rendering/RenderLayer.h
+++ b/sky/engine/core/rendering/RenderLayer.h
@@ -156,7 +156,6 @@ public:
     void clearBlockSelectionGapsBounds();
     void invalidatePaintForBlockSelectionGaps();
     IntRect blockSelectionGapsBounds() const;
-    bool hasBlockSelectionGapBounds() const;
 
     RenderLayerStackingNode* stackingNode() { return m_stackingNode.get(); }
     const RenderLayerStackingNode* stackingNode() const { return m_stackingNode.get(); }
@@ -168,11 +167,6 @@ public:
     // True if this layer container renderers that paint.
     bool hasNonEmptyChildRenderers() const;
 
-    // Will ensure that hasNonCompositiedChild are up to date.
-    void updateScrollingStateAfterCompositingChange();
-    bool hasVisibleNonLayerContent() const { return m_hasVisibleNonLayerContent; }
-    bool hasNonCompositedChild() const { ASSERT(isAllowedToQueryCompositingState()); return m_hasNonCompositedChild; }
-
     bool usedTransparency() const { return m_usedTransparency; }
 
     // Gets the nearest enclosing positioned ancestor layer (also includes
@@ -614,8 +608,6 @@ private:
                                  // we ended up painting this layer or any descendants (and therefore need to
                                  // blend).
 
-    unsigned m_hasVisibleNonLayerContent : 1;
-
     unsigned m_3DTransformedDescendantStatusDirty : 1;
     // Set on a stacking context layer that has 3D descendants anywhere
     // in a preserves3D hierarchy. Hint to do 3D-aware hit testing.
@@ -631,10 +623,6 @@ private:
     // Used only while determining what layers should be composited. Applies to the tree of z-order lists.
     unsigned m_hasCompositingDescendant : 1;
 
-    // Applies to the real render layer tree (i.e., the tree determined by the layer's parent and children and
-    // as opposed to the tree formed by the z-order and normal flow lists).
-    unsigned m_hasNonCompositedChild : 1;
-
     // Should be for stacking contexts having unisolated blending descendants.
     unsigned m_shouldIsolateCompositedDescendants : 1;