Implementing timeout support for XHR

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 8522d4df7dadce0d3cc197c106ced0fc578dc786..b0c0a904901130fdf75169e1400bc9931b77c360 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -185,19 +185,6 @@ webkit.org/b/83260 fast/text/international/embed-bidi-style-in-isolate-crash.htm
 
 webkit.org/b/109415 editing/spelling/spellcheck-async.html [ Failure Pass ]
 
-# ResourceRequest needs to support setTimeoutInterval
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-aborted.html [ Skip ]
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-abortedonmain.html [ Skip ]
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-overridesexpires.html [ Skip ]
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-simple.html [ Skip ]
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-synconmain.html [ Skip ]
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-twice.html [ Skip ]
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-worker-aborted.html [ Skip ]
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-worker-overridesexpires.html [ Skip ]
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-worker-simple.html [ Skip ]
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-worker-synconworker.html [ Skip ]
-webkit.org/b/98397 http/tests/xmlhttprequest/timeout/xmlhttprequest-timeout-worker-twice.html [ Skip ]
-
 # -----------------------------------------------------------------
 # Inspector tests
 # -----------------------------------------------------------------