It turns out that we were only "failing" the iframe-onload-remove-self-no-cra...

webkit/data/layout_tests/chrome/fast/events/iframe-onload-remove-self-no-crash-expected.txt

Index: webkit/data/layout_tests/chrome/fast/events/iframe-onload-remove-self-no-crash-expected.txt
===================================================================
--- webkit/data/layout_tests/chrome/fast/events/iframe-onload-remove-self-no-crash-expected.txt	(revision 2984)
+++ webkit/data/layout_tests/chrome/fast/events/iframe-onload-remove-self-no-crash-expected.txt	(working copy)
@@ -1,24 +1,2 @@
-layer at (0,0) size 800x600
-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  RenderBlock {HTML} at (0,0) size 800x600
-    RenderBody {BODY} at (8,8) size 784x584
-      RenderText {#text} at (0,0) size 601x18
-        text run at (0,0) width 601: "This tests that setting remove a child frame in onload event handler does not crash the renderer. "
-      RenderBR {BR} at (601,14) size 0x0
-      RenderPartObject {IFRAME} at (0,18) size 304x154 [border: (2px inset #000000)]
-        layer at (0,0) size 300x150
-          RenderView at (0,0) size 300x150
-        layer at (0,0) size 300x150
-          RenderBlock {HTML} at (0,0) size 300x150
-            RenderBody {BODY} at (8,8) size 284x134
-      RenderText {#text} at (304,158) size 4x18
-        text run at (304,158) width 4: " "
-      RenderText {#text} at (0,0) size 0x0
-      RenderText {#text} at (0,0) size 0x0
-      RenderPartObject {IFRAME} at (308,18) size 304x154 [border: (2px inset #000000)]
-        layer at (0,0) size 300x150
-          RenderView at (0,0) size 300x150
-        layer at (0,0) size 300x8
-          RenderBlock {HTML} at (0,0) size 300x8
-            RenderBody {BODY} at (8,8) size 284x0
+This tests that setting remove a child frame in onload event handler does not crash the renderer. 
+