Mark fast/dom/document-contentType-data-uri.html as failing on Win.

TBR=waffles@chromium.org

Bug: 927334
Change-Id: Id15d137418ad267ed23dbcfb96c9a81747039dad
Reviewed-on: https://chromium-review.googlesource.com/c/1448453Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Commit-Queue: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#627990}

third_party/blink/web_tests/TestExpectations

@@ -5985,3 +5985,5 @@ crbug.com/v8/8319 external/wpt/wasm/jsapi/module/customSections.any.html [ Pass
 crbug.com/v8/8319 external/wpt/wasm/jsapi/module/customSections.any.worker.html [ Pass Failure ]
 
 crbug.com/927296 virtual/wasm-site-isolated-code-cache/http/tests/devtools/wasm-isolated-code-cache/wasm-cache-test.js [ Pass Failure ]
+
+crbug.com/927334 [ Win ] fast/dom/document-contentType-data-uri.html [ Pass Failure ]