This test verifies the hit test regions given to the compositor specifically around non-composited overflow scroll elements.

scrollContent: layer(800x600) has hit test rect (287,53 15x10)
scrollContent: layer(800x600) has hit test rect (14,63 288x12)
scrollContent: layer(800x600) has hit test rect (287,75 15x8)
scrollContent: layer(800x600) has hit test rect (287,90 15x30)
scrollContent: layer(800x600) has hit test rect (287,127 15x30)
scrollContent: layer(800x600) has hit test rect (271,138 15x19)
scrollContent: layer(800x600) has hit test rect (287,169 15x30)
scrollContent: layer(800x600) has hit test rect (287,211 15x30)
scrollContent: layer(800x600) has hit test rect (271,222 15x19)
scrollContent: layer(800x600) has hit test rect (287,253 15x30)
scrollContent: layer(800x600) has hit test rect (287,295 15x30)
scrollContent: layer(800x600) has hit test rect (282,342 15x38)

scrollContainerWithHandler: layer(785x799) has hit test rect (287,53 15x30)
scrollContainerWithHandler: layer(785x799) has hit test rect (13,89 290x32)
scrollContainerWithHandler: layer(785x799) has hit test rect (287,127 15x30)
scrollContainerWithHandler: layer(785x799) has hit test rect (271,138 15x19)
scrollContainerWithHandler: layer(785x799) has hit test rect (287,169 15x30)
scrollContainerWithHandler: layer(785x799) has hit test rect (287,211 15x30)
scrollContainerWithHandler: layer(785x799) has hit test rect (271,222 15x19)
scrollContainerWithHandler: layer(785x799) has hit test rect (287,253 15x30)
scrollContainerWithHandler: layer(785x799) has hit test rect (287,295 15x30)
scrollContainerWithHandler: layer(785x799) has hit test rect (282,342 15x38)

nestedContent: layer(785x1135) has hit test rect (287,53 15x30)
nestedContent: layer(785x1135) has hit test rect (287,90 15x30)
nestedContent: layer(785x1135) has hit test rect (287,127 15x30)
nestedContent: layer(785x1135) has hit test rect (271,138 15x10)
nestedContent: layer(785x1135) has hit test rect (15,148 271x9)
nestedContent: layer(785x1135) has hit test rect (287,169 15x30)
nestedContent: layer(785x1135) has hit test rect (287,211 15x30)
nestedContent: layer(785x1135) has hit test rect (271,222 15x19)
nestedContent: layer(785x1135) has hit test rect (287,253 15x30)
nestedContent: layer(785x1135) has hit test rect (287,295 15x30)
nestedContent: layer(785x1135) has hit test rect (282,342 15x38)

fixedPositionContentContainer: layer(785x1503) has hit test rect (287,53 15x30)
fixedPositionContentContainer: layer(785x1503) has hit test rect (287,90 15x30)
fixedPositionContentContainer: layer(785x1503) has hit test rect (287,127 15x30)
fixedPositionContentContainer: layer(785x1503) has hit test rect (271,138 15x19)
fixedPositionContentContainer: layer(785x1503) has hit test rect (287,169 15x10)
fixedPositionContentContainer: layer(785x1503) has hit test rect (14,179 288x12)
fixedPositionContentContainer: layer(785x1503) has hit test rect (310,190 132x12)
fixedPositionContentContainer: layer(785x1503) has hit test rect (287,191 15x8)
fixedPositionContentContainer: layer(785x1503) has hit test rect (287,211 15x30)
fixedPositionContentContainer: layer(785x1503) has hit test rect (271,222 15x19)
fixedPositionContentContainer: layer(785x1503) has hit test rect (287,253 15x30)
fixedPositionContentContainer: layer(785x1503) has hit test rect (287,295 15x30)
fixedPositionContentContainer: layer(785x1503) has hit test rect (282,342 15x38)

overflowwithhandler: layer(785x1935) has hit test rect (287,53 15x30)
overflowwithhandler: layer(785x1935) has hit test rect (287,90 15x30)
overflowwithhandler: layer(785x1935) has hit test rect (287,127 15x30)
overflowwithhandler: layer(785x1935) has hit test rect (271,138 15x19)
overflowwithhandler: layer(785x1935) has hit test rect (287,169 15x30)
overflowwithhandler: layer(785x1935) has hit test rect (287,211 15x10)
overflowwithhandler: layer(785x1935) has hit test rect (14,221 288x20)
overflowwithhandler: layer(785x1935) has hit test rect (287,253 15x30)
overflowwithhandler: layer(785x1935) has hit test rect (287,295 15x30)
overflowwithhandler: layer(785x1935) has hit test rect (282,342 15x38)

divInsideNonScrollableLayer: layer(785x2271) has hit test rect (287,53 15x30)
divInsideNonScrollableLayer: layer(785x2271) has hit test rect (287,90 15x30)
divInsideNonScrollableLayer: layer(785x2271) has hit test rect (287,127 15x30)
divInsideNonScrollableLayer: layer(785x2271) has hit test rect (271,138 15x19)
divInsideNonScrollableLayer: layer(785x2271) has hit test rect (287,169 15x30)
divInsideNonScrollableLayer: layer(785x2271) has hit test rect (287,211 15x30)
divInsideNonScrollableLayer: layer(785x2271) has hit test rect (271,222 15x19)
divInsideNonScrollableLayer: layer(785x2271) has hit test rect (287,253 15x20)
divInsideNonScrollableLayer: layer(785x2271) has hit test rect (14,273 288x10)
divInsideNonScrollableLayer: layer(785x2271) has hit test rect (287,295 15x30)
divInsideNonScrollableLayer: layer(785x2271) has hit test rect (282,342 15x38)

divInsideCompositedLayer: layer(273x22) has hit test rect (0,10 273x12)
divInsideCompositedLayer: layer(785x2639) has hit test rect (287,53 15x30)
divInsideCompositedLayer: layer(785x2639) has hit test rect (287,90 15x30)
divInsideCompositedLayer: layer(785x2639) has hit test rect (287,127 15x30)
divInsideCompositedLayer: layer(785x2639) has hit test rect (271,138 15x19)
divInsideCompositedLayer: layer(785x2639) has hit test rect (287,169 15x30)
divInsideCompositedLayer: layer(785x2639) has hit test rect (287,211 15x30)
divInsideCompositedLayer: layer(785x2639) has hit test rect (271,222 15x19)
divInsideCompositedLayer: layer(785x2639) has hit test rect (287,253 15x30)
divInsideCompositedLayer: layer(785x2639) has hit test rect (287,295 15x30)
divInsideCompositedLayer: layer(785x2639) has hit test rect (282,342 15x38)

overflowwithborder: layer(785x3007) has hit test rect (287,53 15x30)
overflowwithborder: layer(785x3007) has hit test rect (287,90 15x30)
overflowwithborder: layer(785x3007) has hit test rect (287,127 15x30)
overflowwithborder: layer(785x3007) has hit test rect (271,138 15x19)
overflowwithborder: layer(785x3007) has hit test rect (287,169 15x30)
overflowwithborder: layer(785x3007) has hit test rect (287,211 15x30)
overflowwithborder: layer(785x3007) has hit test rect (271,222 15x19)
overflowwithborder: layer(785x3007) has hit test rect (287,253 15x30)
overflowwithborder: layer(785x3007) has hit test rect (287,295 15x30)
overflowwithborder: layer(785x3007) has hit test rect (13,336 290x50)