Percentage text-indent tests have been fixed and now they pass.

Fixes imported here:
https://chromium-review.googlesource.com/c/1314128

Spec change:
https://github.com/w3c/csswg-drafts/issues/2394

TBR=szager@chromium.org

Bug: 884588
Change-Id: I4e1c9537122817afb9ebe03ad70290a0558f582c
Reviewed-on: https://chromium-review.googlesource.com/c/1314631Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#604914}

third_party/WebKit/LayoutTests/TestExpectations

@@ -2935,12 +2935,6 @@ crbug.com/875622 external/wpt/css/css-transitions/CSSTransition-startTime.tentat
 
 crbug.com/875249 external/wpt/infrastructure/testdriver/bless.html [ Timeout Pass ]
 
-# Tests need to be updated to reflect newly-specified behavior:
-#   https://github.com/web-platform-tests/wpt/issues/13581
-crbug.com/884588 external/wpt/css/css-text/text-indent/text-indent-percentage-001.xht [ Failure ]
-crbug.com/884588 external/wpt/css/CSS2/text/text-indent-percent-001.xht [ Failure ]
-
-
 # Some control characters still not visible
 crbug.com/893490 [ Mac ] external/wpt/css/css-text/white-space/control-chars-001.html [ Failure ]
 crbug.com/893490 [ Mac ] external/wpt/css/css-text/white-space/control-chars-002.html [ Failure ]