Implement ::placeholder CSS selector.

third_party/WebKit/LayoutTests/TestExpectations

 # Intentional failures to test the layout test system.
 Bug(intentional) [ Android Linux Win Mac10.10 Mac10.11 Retina ] harness-tests/crash.html [ Crash ]
 crbug.com/644303 [ Mac10.9 ] harness-tests/crash.html [ Crash Timeout ]
 Bug(intentional) harness-tests/timeout.html [ Timeout ]
 
 # ====== Oilpan-only failures from here ======
 # Most of these actually cause the tests to report success, rather than
 # failure. Expected outputs will be adjusted for the better once Oilpan
 # has been well and truly enabled always.
 
@@ skipping 1313 matching lines @@
 crbug.com/624019 [ Mac ] bluetooth/stopNotifications/gen-gatt-op-device-disconnects-during-success.html [ Skip ]
 crbug.com/624019 [ Mac ] bluetooth/stopNotifications/gen-gatt-op-disconnect-called-during-success.html [ Skip ]
 crbug.com/624019 [ Mac ] bluetooth/stopNotifications/gen-gatt-op-disconnect-called-before.html [ Skip ]
 crbug.com/624019 [ Mac ] bluetooth/stopNotifications/gen-gatt-op-garbage-collection-ran-during-success.html [ Skip ]
 crbug.com/624019 [ Mac ] bluetooth/getCharacteristics/gen-characteristic-device-disconnects-invalidates-objects.html [ Skip ]
 crbug.com/624019 [ Mac ] bluetooth/getCharacteristics/gen-characteristic-disconnect-invalidates-objects-with-uuid.html [ Skip ]
 crbug.com/624019 [ Mac ] bluetooth/getCharacteristic/gen-characteristic-device-disconnects-invalidates-objects.html [ Skip ]
 crbug.com/624019 [ Mac ] bluetooth/getCharacteristics/gen-characteristic-disconnect-invalidates-objects.html [ Skip ]
 crbug.com/624019 [ Mac ] bluetooth/getCharacteristics/gen-characteristic-device-disconnects-invalidates-objects-with-uuid.html [ Skip ]
 crbug.com/624019 [ Mac ] bluetooth/getCharacteristic/gen-characteristic-disconnect-invalidates-objects.html [ Skip ]
-
+crbug.com/623345 fast/forms/text/placeholder-pseudo-style.html [ NeedsRebaseline ]
+crbug.com/623345 fast/forms/textarea/textarea-placeholder-pseudo-style.html [ NeedsRebaseline ]

[rune, 2016/11/21 08:52:33]

Would it be a lot of work to make this a ref-test now?

[tkent, 2016/11/21 09:23:39]

Not much.  Done.

[rune, 2016/11/21 09:42:53]

Great!

 
 crbug.com/487344 paint/invalidation/video-paint-invalidation.html [ Failure ]
 crbug.com/487344 [ Win ] compositing/video/video-controls-layer-creation.html [ Pass Failure ]
 crbug.com/487344 fast/hidpi/video-controls-in-hidpi.html [ Failure ]
 crbug.com/487344 fast/layers/video-layer.html [ Failure ]
 crbug.com/487344 media/audio-controls-rendering.html [ Failure ]
 crbug.com/487344 media/audio-repaint.html [ Failure ]
 crbug.com/487344 media/controls-after-reload.html [ Failure ]
 crbug.com/487344 media/controls-focus-ring.html [ Failure ]
 crbug.com/487344 media/controls-layout-direction.html [ Failure ]
@@ skipping 331 matching lines @@
 crbug.com/595993 imported/wpt/service-workers/service-worker/fetch-header-visibility.https.html [ Failure ]
 crbug.com/595993 imported/wpt/service-workers/service-worker/request-end-to-end.https.html [ Failure ]
 
 # Flaky failures (text diff).
 crbug.com/666602 inspector-enabled/sources/debugger/script-formatter-breakpoints-1.html [ Failure ]
 
 # TODO(mgiuca): This was previously marked as [ NeedsRebaseline ] for [ Precise ] only.
 crbug.com/666628 [ Mac Win Trusty ] http/tests/inspector-enabled/console-stack-overflow-source-url.html [ NeedsRebaseline ]
 
 crbug.com/619427 [ Linux ] fast/overflow/overflow-height-float-not-removed-crash3.html [ Pass Failure ]