Re-enable some wpt/css/css-writing-modes tests.

Some of css/css-writing-modes sizing-orthog tests are passing.
Let's latch in the successes.

Bug: 626703
Change-Id: I9b065a8e03da4954a9737285ef7093330bc47ef3
Reviewed-on: https://chromium-review.googlesource.com/1131516Reviewed-by: Robert Flack <flackr@chromium.org>
Reviewed-by: Peter Mayo <petermayo@chromium.org>
Commit-Queue: Peter Mayo <petermayo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#573872}

third_party/WebKit/LayoutTests/TestExpectations

@@ -2573,19 +2573,13 @@ crbug.com/713587 external/wpt/css/css-ui/caret-color-006.html [ Skip ]
 #crbug.com/626703 external/wpt/css/css-cascade/revert-val-001.html [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-htb-in-vlr-001.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-htb-in-vlr-004.xht [ Failure ]
-crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-htb-in-vlr-016.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-htb-in-vrl-001.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-htb-in-vrl-004.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-htb-in-vrl-013.xht [ Failure ]
-crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-htb-in-vrl-016.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-htb-in-vlr-001.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-htb-in-vlr-002.xht [ Failure ]
-crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-htb-in-vlr-005.xht [ Failure ]
-crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-htb-in-vlr-006.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-htb-in-vrl-001.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-htb-in-vrl-002.xht [ Failure ]
-crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-htb-in-vrl-005.xht [ Failure ]
-crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-htb-in-vrl-006.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-vlr-in-htb-001.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-vlr-in-htb-002.xht [ Failure ]
 crbug.com/626703 external/wpt/css/css-writing-modes/sizing-orthog-prct-vrl-in-htb-001.xht [ Failure ]