CompositedScrollingHistogramMax 1434 Source/core/rendering/RenderLayerScrollableArea.cpp             blink::Platform::current()->histogramEnumeration("Renderer.CompositedScrolling", IsScrollableAreaBucket, CompositedScrollingHistogramMax);
CompositedScrollingHistogramMax 1494 Source/core/rendering/RenderLayerScrollableArea.cpp         blink::Platform::current()->histogramEnumeration("Renderer.CompositedScrolling", WillUseCompositedScrollingBucket, CompositedScrollingHistogramMax);
CompositedScrollingHistogramMax  620 Source/core/rendering/RenderLayerStackingNode.cpp         blink::Platform::current()->histogramEnumeration("Renderer.CompositedScrolling", NeedsToBeStackingContainerBucket, CompositedScrollingHistogramMax);