[BlinkGenPropertyTrees] Mark cross-fade-invalidation.html as passing

This test is now passing.

TBR=trchen@chromium.org

Bug: 874672
Cq-Include-Trybots: luci.chromium.try:linux-blink-gen-property-trees;luci.chromium.try:linux_layout_tests_slimming_paint_v2;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I3ea00b870386a64d361e96e12efb25ad8dd7dfc2
Reviewed-on: https://chromium-review.googlesource.com/1182317Reviewed-by: Philip Rogers <pdr@chromium.org>
Commit-Queue: Philip Rogers <pdr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584777}

third_party/WebKit/LayoutTests/FlagExpectations/enable-blink-gen-property-trees

@@ -246,8 +246,6 @@ Bug(none) fast/clip/overflow-border-radius-composited.html [ Failure ]
 crbug.com/874675 compositing/overflow/mixed-composited-nested-sticky-overflow-scroller.html [ Failure ]
 crbug.com/874675 fast/css/sticky/sticky-clip-rel-child.html [ Failure ]
 
-crbug.com/874672 images/cross-fade-invalidation.html [ Failure ]
-
 # Something wrong with vertical-rl scrollbars
 crbug.com/853945 fast/block/positioning/vertical-rl/002.html [ Failure ]
 crbug.com/853945 fast/block/positioning/vertical-rl/fixed-positioning.html [ Failure ]