[wasm] Update TestExpectations for wasm WPT tests

* wasm_local_iframe_test doesn't appear to be flaky anymore
* The wasm WPT tests all require the --enable-wasm flag, so must be run
  in the virtual/enable_wasm/ testsuite

Bug: 736732
Change-Id: I6076a5aecdfb018ad81130721062955e2ede8d5c
Reviewed-on: https://chromium-review.googlesource.com/1100078Reviewed-by: Derek Schuff <dschuff@chromium.org>
Commit-Queue: Ben Smith <binji@chromium.org>
Cr-Commit-Position: refs/heads/master@{#567419}

third_party/WebKit/LayoutTests/TestExpectations

@@ -3368,10 +3368,10 @@ crbug.com/648295 external/wpt/service-workers/service-worker/update-bytecheck.ht
 crbug.com/648295 virtual/service-worker-servicification/external/wpt/service-workers/service-worker/update-bytecheck.https.html [ Timeout ]
 crbug.com/626703 external/wpt/speech-api/SpeechSynthesis-speak-twice.html [ Timeout ]
 crbug.com/626703 external/wpt/svg/linking/reftests/href-filter-element.html [ Failure ]
-crbug.com/626703 external/wpt/wasm/wasm_indexeddb_test.https.html [ Failure ]
-crbug.com/626703 external/wpt/wasm/wasm_local_iframe_test.html [ Failure ]
-crbug.com/626703 external/wpt/wasm/wasm_serialization_tests.html [ Failure ]
-crbug.com/626703 external/wpt/wasm/wasm_service_worker_test.https.html [ Failure ]
+crbug.com/642912 external/wpt/wasm/wasm_indexeddb_test.https.html [ Failure ]
+crbug.com/642912 external/wpt/wasm/wasm_local_iframe_test.html [ Failure ]
+crbug.com/642912 external/wpt/wasm/wasm_serialization_tests.html [ Failure ]
+crbug.com/642912 external/wpt/wasm/wasm_service_worker_test.https.html [ Failure ]
 crbug.com/626703 external/wpt/webaudio/the-audio-api/the-mediaelementaudiosourcenode-interface/mediaElementAudioSourceToScriptProcessorTest.html [ Timeout ]
 crbug.com/626703 external/wpt/webrtc/RTCPeerConnection-setRemoteDescription.html [ Pass Failure ]
 crbug.com/626703 virtual/webrtc-wpt-unified-plan/external/wpt/webrtc/RTCPeerConnection-setRemoteDescription.html [ Pass Failure ]
@@ -4032,7 +4032,6 @@ crbug.com/737959 http/tests/misc/video-poster-image-load-outlives-gc-without-cra
 crbug.com/734762 inspector-protocol/timeline/page-frames.js [ Failure ]
 
 crbug.com/736255 [ Mac ] external/wpt/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-baseline-multi-item-vert-001b.html [ Skip ]
-crbug.com/736732 virtual/enable_wasm/external/wpt/wasm/wasm_local_iframe_test.html [ Timeout Pass ]
 
 # module script lacks XHTML support
 crbug.com/717643 external/wpt/html/semantics/scripting-1/the-script-element/module/module-in-xhtml.xhtml [ Failure ]