Enable interactive_ui_tests on Windows that now run mostly reliably.

r516772 was the last of many commits that resolved a number of problems
that made this test suite flaky on Windows. This CL enables tests that
had been disabled over time due to flakes, yet now seem to run okay.

BUG=499858,764415
This CL was uploaded by git cl split.

R=sky@chromium.org

Change-Id: Ic884babd5f4814fdf173a18fe91c6e71ce828f92
Reviewed-on: https://chromium-review.googlesource.com/785018Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Greg Thompson <grt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521414}

chrome/browser/ui/views/bookmarks/bookmark_bar_view_test.cc

@@ -1373,8 +1373,7 @@ class BookmarkBarViewTest12 : public BookmarkBarViewEventTestBase {
   }
 };
 
-// Times out on Win. http://crbug.com/499858
-#if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 // TODO(erg): linux_aura bringup: http://crbug.com/163931
 #define MAYBE_CloseWithModalDialog DISABLED_CloseWithModalDialog
 #else