RAL: Eliminate n^2 walk to find repaint containers

Source/core/rendering/RenderView.h

Index: Source/core/rendering/RenderView.h
diff --git a/Source/core/rendering/RenderView.h b/Source/core/rendering/RenderView.h
index d1e48ce29e7d912c43be683406714166bc25ff50..9036758c14ab17312d6cd796826c0ea52bfbd8c0 100644
--- a/Source/core/rendering/RenderView.h
+++ b/Source/core/rendering/RenderView.h
@@ -216,7 +216,7 @@ private:
     bool pushLayoutState(RenderBox& renderer, const LayoutSize& offset, LayoutUnit pageHeight = 0, bool pageHeightChanged = false, ColumnInfo* colInfo = 0)
     {
         // We push LayoutState even if layoutState is disabled because it stores layoutDelta too.
-        if ((!doingFullRepaint() || RuntimeEnabledFeatures::repaintAfterLayoutEnabled()) || m_layoutState->isPaginated() || renderer.hasColumns() || renderer.flowThreadContainingBlock()
+        if ((!doingFullRepaint() || (RuntimeEnabledFeatures::repaintAfterLayoutEnabled() && layoutStateEnabled())) || m_layoutState->isPaginated() || renderer.hasColumns() || renderer.flowThreadContainingBlock()
             ) {
             pushLayoutStateForCurrentFlowThread(renderer);
             m_layoutState = new LayoutState(m_layoutState, renderer, offset, pageHeight, pageHeightChanged, colInfo);