Perform BSP polygon splitting and orientation selection in a single step.

third_party/WebKit/LayoutTests/TestExpectations

Index: third_party/WebKit/LayoutTests/TestExpectations
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index cc8e68d7c79442b1cb6ea6712655a69e195610eb..28d38b14aacfb0c79dc425e1375069ff64b38e20 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -1363,11 +1363,9 @@ crbug.com/487344 media/video-paint-invalidation.html [ Failure ]
 
 crbug.com/614197 [ Mac ] http/tests/media/pdf-served-as-pdf.html [ Pass Timeout ]
 
-crbug.com/606302 [ Win7 Debug ] transforms/3d/point-mapping/3d-point-mapping-deep.html [ Failure ]
-crbug.com/606302 [ Mac ] transforms/3d/point-mapping/3d-point-mapping-preserve-3d.html [ Failure ]
-crbug.com/606302 [ Win ] transforms/3d/point-mapping/3d-point-mapping-preserve-3d.html [ Failure ]
-crbug.com/606302 [ Linux Debug ] transforms/3d/point-mapping/3d-point-mapping-preserve-3d.html [ Failure ]
-crbug.com/613497 [ Linux Release ] transforms/3d/point-mapping/3d-point-mapping-preserve-3d.html [ Failure ]
+crbug.com/606984 compositing/perpendicular-layer-sorting.html [ NeedsRebaseline ]
+crbug.com/606984 transforms/3d/point-mapping/3d-point-mapping-deep.html [ NeedsRebaseline ]
+crbug.com/606984 transforms/3d/point-mapping/3d-point-mapping-preserve-3d.html [ NeedsRebaseline ]
 
 crbug.com/613659 imported/wpt/quirks-mode/percentage-height-calculation.html [ Failure ]
 crbug.com/613661 imported/wpt/quirks-mode/table-cell-nowrap-minimum-width-calculation.html [ Failure ]