Remove flaky expectations for XSS dataURL tests.

LayoutTests/TestExpectations

 
 # This directly has manual tests that don't have to run with run-webkit-tests
 crbug.com/359838 http/tests/ManualTests/ [ Skip ]
 
 crbug.com/258949 fast/filesystem/workers/file-writer-truncate-extend.html [ Failure Pass ]
 
 crbug.com/307782 [ Win ] http/tests/cache/stopped-revalidation.html [ Pass Timeout ]
 crbug.com/316146 [ XP ] http/tests/cache/cached-main-resource.html [ Pass Timeout ]
 
 crbug.com/364267 [ Win Mac ] http/tests/security/webgl-remote-read-remote-image-blocked-no-crossorigin.html [ Pass Timeout ]
@@ skipping 762 matching lines @@
 crbug.com/334269 [ Mac ] virtual/antialiasedtext/fast/text/whitespace/018.html [ NeedsManualRebaseline ]
 
 # Heap buffer overflow failures on Linux ASAN
 crbug.com/347365 [ Linux ] dom/xhtml/level3/core/canonicalform08.xhtml [ Crash Pass ]
 crbug.com/347365 [ Linux ] dom/xhtml/level3/core/canonicalform09.xhtml [ Crash Pass ]
 
 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 ]
 
 crbug.com/350543 [ Linux ] svg/animations/reset-animation-crash.html [ Crash Pass ]
 crbug.com/350828 svg/custom/animate-initial-pause-unpause.html [ Failure Pass ]
 crbug.com/377660 svg/custom/repaint-moving-svg-and-div.xhtml [ Failure Pass ]
 crbug.com/350543 [ Linux ] svg/as-image/image-change-with-equal-sizes.html [ Crash Pass ]
 crbug.com/356742 svg/as-image/animated-svg-animation-control.html [ Pass ImageOnlyFailure ]
 crbug.com/350829 [ Linux ] virtual/threaded/animations/missing-keyframe-properties-repeating.html [ Timeout Pass ]
@@ skipping 653 matching lines @@
 crbug.com/431163 [ Mac Debug ] http/tests/serviceworker/cache-match.html [ Crash ]
 crbug.com/431163 [ Linux Debug ] http/tests/serviceworker/cache-match.html [ Crash ]
 
 crbug.com/431191 [ Linux Debug ] http/tests/serviceworker/cache-delete.html [ Pass Crash ]
 
 crbug.com/431152 inspector/audits/audits-panel-functional.html [ Pass Failure ]
 crbug.com/431625 fast/parser/adoption-agency-crash-01.html [ Pass Failure ]
 crbug.com/431688 [ Win Release ] webaudio/oscillator-sine.html [ Failure ]
 crbug.com/431778 [ Win7 Linux Debug ] http/tests/security/shape-image-cors.html [ Pass Crash ]
 crbug.com/431643 [ Win ] http/tests/w3c/webperf/submission/Intel/resource-timing/test_resource_timing_cross_origin_redirect_chain_allow_timing.html [ Pass Failure ]