Remove illegal compositing queries in RenderObject::adjustStyleDifference

Source/core/rendering/RenderLayer.h

Index: Source/core/rendering/RenderLayer.h
diff --git a/Source/core/rendering/RenderLayer.h b/Source/core/rendering/RenderLayer.h
index 1e5e7dcd5f3067cf165a60735c2830a003213dae..7d0fde421a6e9fa20de3b6208d5e31a844562ed6 100644
--- a/Source/core/rendering/RenderLayer.h
+++ b/Source/core/rendering/RenderLayer.h
@@ -436,8 +436,6 @@ public:
 
     bool scrollsOverflow() const;
 
-    bool hasDirectReasonsForCompositing() const { return compositingReasons() & CompositingReasonComboAllDirectReasons; }
-
     CompositingReasons styleDeterminedCompositingReasons() const { return m_styleDeterminedCompositingReasons; }
     void setStyleDeterminedCompositingReasons(CompositingReasons reasons) { ASSERT(reasons == (reasons & CompositingReasonComboAllStyleDeterminedReasons)); m_styleDeterminedCompositingReasons = reasons; }