Remove flaky expectations for XSS dataURL tests.

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 71dbf950c9a5c55bbc0e56dee5fe52860d227e75..a9760f773fba2339cf652047192e8c80833f1e87 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -780,11 +780,6 @@ crbug.com/309197 [ Win Debug ] webaudio/oscillator-custom.html [ Skip ]
 crbug.com/309197 [ Win Debug ] webaudio/oscillator-sine.html [ Skip ]
 crbug.com/309197 [ Win Debug ] webaudio/oscillator-square.html [ Skip ]
 
-crbug.com/352464 http/tests/security/dataURL/xss-DENIED-to-data-url-in-foreign-domain-subframe-location-change.html [ Pass Failure Missing ]
-crbug.com/372425 http/tests/security/dataURL/xss-DENIED-to-data-url-in-foreign-domain-subframe.html [ Pass Failure Timeout ]
-crbug.com/372428 http/tests/security/dataURL/xss-DENIED-to-data-url-in-foreign-domain-window-open.html [ Pass Failure ]
-crbug.com/374282 http/tests/security/dataURL/xss-DENIED-to-data-url-sub-frame-uppercase.html [ Failure Pass ]
-
 crbug.com/356777 http/tests/history/frameset-repeated-name.html [ Pass Failure ]
 
 crbug.com/390377 [ Release ] fast/dom/private_script_unittest.html [ Skip ]