Delete missed folders and files for mouseevent_fractional.

Bug: 1041985
Change-Id: Ib0a7a3fd3485c4c264d8b42a93f8363e961ffa0a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2052594Reviewed-by: Mustaq Ahmed <mustaq@chromium.org>
Commit-Queue: Mustaq Ahmed <mustaq@chromium.org>
Cr-Commit-Position: refs/heads/master@{#741124}

third_party/blink/web_tests/platform/win7/virtual/mouseevent_fractional/fast/events/popup-blocked-from-window-open-expected.txt

-If the inner pop-up was not blocked then there will be one additional windows generated. Otherwise, the test passes.
-For more details, please refer to https://bugs.webkit.org/show_bug.cgi?id=37138.
-PASSED