Make DOMSelection cache Range

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 2000 matching lines @@
 crbug.com/602693 external/wpt/service-workers/service-worker/fetch-event-async-respond-with.https.html [ Skip ]
 crbug.com/602693 external/wpt/service-workers/service-worker/fetch-event-respond-with-stops-propagation.https.html [ Skip ]
 crbug.com/602693 external/wpt/service-workers/service-worker/fetch-request-css-base-url.https.html [ Skip ]
 crbug.com/602693 external/wpt/service-workers/service-worker/fetch-request-xhr.https.html [ Skip ]
 crbug.com/602693 external/wpt/service-workers/service-worker/fetch-response-xhr.https.html [ Skip ]
 crbug.com/602693 external/wpt/service-workers/service-worker/getregistrations.https.html [ Skip ]
 crbug.com/602693 external/wpt/service-workers/service-worker/invalid-blobtype.https.html [ Skip ]
 crbug.com/602693 external/wpt/service-workers/service-worker/invalid-header.https.html [ Skip ]
 crbug.com/602693 external/wpt/service-workers/service-worker/referer.https.html [ Skip ]
 
+# Too large diff. Needs manual commit
+crbug.com/683066 external/wpt/selection/addRange-00.html [ Failure ]
+crbug.com/683066 external/wpt/selection/addRange-04.html [ Failure ]
+crbug.com/683066 external/wpt/selection/addRange-16.html [ Failure ]
+crbug.com/683066 external/wpt/selection/addRange-28.html [ Failure ]
+crbug.com/683066 external/wpt/selection/addRange-32.html [ Failure ]
+crbug.com/683066 external/wpt/selection/addRange-36.html [ Failure ]
+crbug.com/683066 fast/css/first-letter-rtc-crash.html [ NeedsRebaseline ]
+
 # mojo-loading: This is an experimental feature. failing virtual tests are
 # listed below.
 
 crbug.com/664873 http/tests/xmlhttprequest/small-chunks-response-text.html [ Failure Pass ]
 crbug.com/664873 virtual/mojo-loading/http/tests/xmlhttprequest/small-chunks-response-text.html [ Failure Pass ]
 
 crbug.com/660295 inspector/elements/elements-panel-restore-selection-when-node-comes-later.html [ Pass Failure ]
 
 # [css-grid]
 crbug.com/659610 fast/css-grid-layout/grid-baseline.html [ Failure ]
@@ skipping 277 matching lines @@
 
 # Sheriff failures Feb 03 2017
 crbug.com/688515 fast/spatial-navigation/snav-div-overflow-scrol-hidden.html [ Pass Failure ]
 
 # Flaky on trybots
 crbug.com/688486 external/wpt/service-workers/service-worker/fetch-request-redirect.https.html [ Failure Pass ]
 crbug.com/688486 external/wpt/service-workers/service-worker/fetch-request-resources.https.html [ Failure Pass ]
 
 # Sheriff failures Feb 06 2017
 crbug.com/688515 [ Linux ] http/tests/media/video-play-stall.html [ Pass Failure ]