Convert webvtt regions tests from video-test.js to testharness.js based

third_party/WebKit/LayoutTests/media/track/regions-webvtt/vtt-region-parser-expected.txt

Index: third_party/WebKit/LayoutTests/media/track/regions-webvtt/vtt-region-parser-expected.txt
diff --git a/third_party/WebKit/LayoutTests/media/track/regions-webvtt/vtt-region-parser-expected.txt b/third_party/WebKit/LayoutTests/media/track/regions-webvtt/vtt-region-parser-expected.txt
deleted file mode 100644
index 070f431aab6921d3ecd0d2afcb0adee69b923fe9..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/media/track/regions-webvtt/vtt-region-parser-expected.txt
+++ /dev/null
@@ -1,28 +0,0 @@
-Tests proper parsing of various regions present in WebVTT header area.
-
-EXPECTED (video.textTracks[0].regions.length == '5') OK
-
-EXPECTED (region.id == 'region_without_settings') OK
-
-EXPECTED (region.id == 'region_with_all_settings') OK
-EXPECTED (region.width == '32') OK
-EXPECTED (region.height == '5') OK
-EXPECTED (region.regionAnchorX == '41') OK
-EXPECTED (region.regionAnchorY == '20') OK
-EXPECTED (region.viewportAnchorX == '31') OK
-EXPECTED (region.viewportAnchorY == '84') OK
-EXPECTED (region.scroll == 'up') OK
-
-EXPECTED (region.id == 'region_floating_point_anchor') OK
-EXPECTED (Math.round(region.regionAnchorX * 1000) == '41133') OK
-EXPECTED (Math.round(region.regionAnchorY * 1000) == '20420') OK
-EXPECTED (Math.round(region.viewportAnchorX * 1000) == '32330') OK
-EXPECTED (Math.round(region.viewportAnchorY * 1000) == '32440') OK
-
-EXPECTED (region.id == 'not_unique_id') OK
-EXPECTED (region.width == '67') OK
-
-EXPECTED (region.id == '') OK
-
-END OF TEST
-