Don't paint a border after the last frame on any axis in a frameset

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 22d1c2b974a4a3dc4c764931ccdb84d29a2eccaf..6dc05d7de30436ac70c1e8fee8566932ae243dde 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -84,6 +84,11 @@ crbug.com/432129 virtual/slimmingpaint/fast/html/marquee-scroll.html [ Skip ]
 crbug.com/421283 fast/html/marquee-scrollamount.html [ Pass Failure ]
 crbug.com/421283 virtual/slimmingpaint/fast/html/marquee-scrollamount.html [ Skip ]
 
+crbug.com/496322 fast/frames/frame-set-scaling-centered.html [ NeedsRebaseline ]
+crbug.com/496322 fast/frames/frame-set-scaling-rotate.html [ NeedsRebaseline ]
+crbug.com/496322 fast/frames/frame-set-scaling-skew.html [ NeedsRebaseline ]
+crbug.com/496322 fast/frames/frame-set-scaling.html [ NeedsRebaseline ]
+
 # Will be re-enabled and rebaselined once we remove the '--enable-file-cookies' flag.
 crbug.com/470482 fast/cookies/local-file-can-set-cookies.html [ Skip ]
 crbug.com/470482 virtual/slimmingpaint/fast/cookies/local-file-can-set-cookies.html [ Skip ]