Mark...

Mark virtual/mojo-loading/http/tests/xmlhttprequest/workers/shared-worker-response-type-blob-sync.html as flaky timeout.

https://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=virtual%2Fmojo-loading%2Fhttp%2Ftests%2Fxmlhttprequest%2Fworkers%2Fshared-worker-response-type-blob-sync.html&testType=webkit_tests

BUG=659917
TBR=yhirano@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2548563002
Cr-Commit-Position: refs/heads/master@{#435665}

third_party/WebKit/LayoutTests/TestExpectations

@@ -1628,6 +1628,7 @@ crbug.com/659917 virtual/mojo-loading/http/tests/xmlhttprequest/upload-progress-
 crbug.com/659917 virtual/mojo-loading/http/tests/xmlhttprequest/workers/upload-onprogress-event.html [ Failure ]
 crbug.com/659917 virtual/mojo-loading/http/tests/xmlhttprequest/upload-onloadend-event-after-abort.html [ Timeout ]
 crbug.com/659917 virtual/mojo-loading/http/tests/xmlhttprequest/workers/xmlhttprequest-response-type-blob-sync.html [ Pass Timeout ]
+crbug.com/659917 virtual/mojo-loading/http/tests/xmlhttprequest/workers/shared-worker-response-type-blob-sync.html [ Pass Timeout ]
 
 crbug.com/669357 virtual/mojo-loading/http/tests/inspector/network/network-fetch.html [ Failure ]
 crbug.com/669357 virtual/mojo-loading/http/tests/inspector-protocol/network-data-length.html [ Failure ]