[LayoutNG] Mark nopaint-after-layer-destruction.html as passing again.

Needed some rebaselining on Mac.

Attempted to mark it as passing here:
https://chromium-review.googlesource.com/c/1277649

Then a sheriff marked it as failing again:
https://chromium-review.googlesource.com/c/chromium/src/+/1278785

TBR=kojii@chromium.org,orphis@chromium.org

Change-Id: I4b282cba19e6c94f032c127f70672cf4cfe133ab
Reviewed-on: https://chromium-review.googlesource.com/c/1278805
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#599186}

third_party/WebKit/LayoutTests/TestExpectations

@@ -482,7 +482,6 @@ crbug.com/635619 virtual/layout_ng/fast/block/float/float-reparent-during-detach
 crbug.com/635619 virtual/layout_ng/fast/block/float/floats-do-not-overhang-from-block-formatting-context.html [ Failure ]
 crbug.com/635619 [ Mac ] virtual/layout_ng/fast/block/float/intruding-painted-twice.html [ Failure ]
 crbug.com/635619 virtual/layout_ng/fast/block/float/line-break-after-white-space-crash.html [ Pass Crash Timeout ]
-crbug.com/635619 virtual/layout_ng/fast/block/float/nopaint-after-layer-destruction.html [ Failure ]
 crbug.com/635619 virtual/layout_ng/fast/block/float/nopaint-after-layer-destruction2.html [ Failure ]
 crbug.com/810370 virtual/layout_ng/fast/block/float/overhanging-float-remove-from-fixed-position-block.html [ Failure ]
 crbug.com/810370 virtual/layout_ng/fast/block/float/overhanging-float-remove-from-fixed-position-block2.html [ Failure ]

third_party/WebKit/LayoutTests/platform/mac/fast/block/float/nopaint-after-layer-destruction-expected.txt

-layer at (0,0) size 800x600
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  LayoutBlockFlow {HTML} at (0,0) size 800x600
-    LayoutBlockFlow {BODY} at (8,8) size 784x584
-      LayoutBlockFlow {P} at (0,0) size 784x36
-        LayoutText {#text} at (0,0) size 144x18
-          text run at (0,0) width 144: "This is a pixel test for "
-        LayoutInline {I} at (0,0) size 774x36
-          LayoutInline {A} at (0,0) size 353x18 [color=#0000EE]
-            LayoutText {#text} at (143,0) size 353x18
-              text run at (143,0) width 353: "http://bugzilla.opendarwin.org/show_bug.cgi?id=4334"
-          LayoutText {#text} at (495,0) size 774x36
-            text run at (495,0) width 5: " "
-            text run at (499,0) width 275: "REGRESSION: Flickering when css-hover"
-            text run at (0,18) width 277: "should change opacity on floating elements"
-        LayoutText {#text} at (276,18) size 5x18
-          text run at (276,18) width 5: "."
-      LayoutBlockFlow {P} at (0,52) size 784x18
-        LayoutText {#text} at (0,0) size 281x18
-          text run at (0,0) width 281: "There should be a solid green square below."
-      LayoutBlockFlow {HR} at (0,86) size 784x2 [border: (1px inset #EEEEEE)]
-      LayoutBlockFlow (floating) {DIV} at (0,96) size 100x100 [bgcolor=#008000]