tables/mozilla/other/slashlogo.html is slow on WinXP

Return slow expectation that was removed at r158050.

BUG=295711
TBR= [email protected]

Review URL: https://codereview.chromium.org/24323002

git-svn-id: svn://svn.chromium.org/blink/trunk@158119 bbb929c8-8fbe-4397-9dbb-9b2b20218538
diff --git a/third_party/WebKit/LayoutTests/SlowTests b/third_party/WebKit/LayoutTests/SlowTests
index 06e0523..2e083ed 100644
--- a/third_party/WebKit/LayoutTests/SlowTests
+++ b/third_party/WebKit/LayoutTests/SlowTests
@@ -81,3 +81,5 @@
 crbug.com/248938 virtual/threaded/animations/missing-values-last-keyframe.html [ Slow ]
 crbug.com/248938 virtual/threaded/animations/suspend-transform-animation.html [ Slow ]
 crbug.com/248938 virtual/threaded/animations/transition-and-animation-1.html [ Slow ]
+
+crbug.com/295711 [ Win ] tables/mozilla/other/slashlogo.html [ Slow ]