Re-enable fast/html/details* tests on Mac Retina.

third_party/WebKit/LayoutTests/TestExpectations

 # Intentional failures to test the layout test system.
 Bug(intentional) [ Android Linux Win Mac10.10 Mac10.11 Retina ] harness-tests/crash.html [ Crash ]
 crbug.com/644303 [ Mac10.9 ] harness-tests/crash.html [ Crash Timeout ]
 Bug(intentional) harness-tests/timeout.html [ Timeout ]
 
 # ====== Oilpan-only failures from here ======
 # Most of these actually cause the tests to report success, rather than
 # failure. Expected outputs will be adjusted for the better once Oilpan
 # has been well and truly enabled always.
 
@@ skipping 1201 matching lines @@
 
 # Note: this test was previously marked as slow on Debug builds. Skipping until crash is fixed
 crbug.com/619978 fast/css/giant-stylesheet-crash.html [ Skip ]
 
 crbug.com/624430 [ Win10 ] fast/text/font-features/caps-casemapping.html [ Failure ]
 
 crbug.com/620432 accessibility/aria-activedescendant.html [ Failure ]
 
 crbug.com/399507 [ Mac Linux Win10 ] virtual/threaded/inspector/tracing/timeline-paint/layer-tree.html [ Skip ]
 
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-add-summary-5-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-add-summary-8-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-add-summary-1-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-add-summary-2-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-add-summary-10-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-remove-summary-6-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-add-summary-7-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-remove-summary-5-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-remove-summary-1-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-add-summary-6-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-add-summary-9-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-remove-summary-4-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-remove-summary-3-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-add-summary-4-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-remove-summary-2-and-click.html [ Pass Failure ]
-crbug.com/637245 [ Mac10.11 Retina ] fast/html/details-add-summary-3-and-click.html [ Pass Failure ]
-
 crbug.com/635909 [ Debug ] inspector/sources/debugger-frameworks/frameworks-dom-xhr-event-breakpoints.html [ Pass Timeout ]
 
 crbug.com/636424 [ Win7 Debug ] editing/selection/modify_move/move-by-word-visually-crash-test-5.html [ Pass Timeout ]
 crbug.com/638618 inspector/editor/text-editor-search-switch-editor.html [ Skip ]
 
 # This test breaks when the feature introduced in the bug is enabled. We keep
 # this tested without the feature by using the virtual test. See
 # virtual/stable/http/tests/navigation/beacon-cross-origin-redirect-blob-expected.txt
 crbug.com/490015 http/tests/navigation/beacon-cross-origin-redirect-blob.html [ Skip ]
 # This test doesn't need to be run with the stable release mode.
 crbug.com/490015 virtual/stable/http/tests/navigation/beacon-blob-with-non-simple-type.html [ Skip ]
 # This test fails with the stable release mode.
 crbug.com/490015 virtual/stable/http/tests/navigation/same-and-different-back.html [ Skip ]
 
 # Tests added from W3C auto import bot
 crbug.com/626703 [ Win10 ] imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-align-self-baseline-vert-001.html [ Failure ]
 crbug.com/626703 imported/wpt/pointerevents/pointerevent_element_haspointercapture-manual.html [ Timeout Failure ]
 crbug.com/626703 imported/wpt/svg/linking/reftests/href-filter-element.html [ Failure ]
 crbug.com/626703 imported/wpt/web-animations/timing-model/animations/set-the-target-effect-of-an-animation.html [ Failure ]
 
 crbug.com/646323 [ Mac ] editing/selection/modify_move/move_backward_line_import_crash.html [ Crash Timeout ]
 crbug.com/646323 [ Win Linux ] editing/selection/modify_move/move_backward_line_import_crash.html [ Crash ]
 
 crbug.com/645640 inspector/extensions/extensions-eval.html [ NeedsManualRebaseline ]