Convert track-webvtt-tc[016-018] tests to testharness.js

third_party/WebKit/LayoutTests/media/track/track-helpers.js

Index: third_party/WebKit/LayoutTests/media/track/track-helpers.js
diff --git a/third_party/WebKit/LayoutTests/media/track/track-helpers.js b/third_party/WebKit/LayoutTests/media/track/track-helpers.js
index f56e8240c4bade51ccc20a5c6806e313b732f08f..f9abc8456d24b4e62350b47c0edc3f1e29a1b788 100644
--- a/third_party/WebKit/LayoutTests/media/track/track-helpers.js
+++ b/third_party/WebKit/LayoutTests/media/track/track-helpers.js
@@ -14,4 +14,13 @@ function assert_cues_equal(cues, expected) {
         assert_equals(cues[i].endTime, expected[i].endTime);
         assert_equals(cues[i].text, expected[i].text);
     }
+}
+
+function assert_cues_equal_by_style(cues, expected) {

[fs, 2016/05/25 19:49:56]

s/style/settings/ maybe

[Srirama, 2016/05/26 10:47:18]

Renamed as assert_cues_match

+    assert_equals(cues.length, expected.length);
+    for (var i = 0; i < cues.length; i++) {
+        assert_equals(cues[i].position, expected[i].position);
+        assert_equals(cues[i].align, expected[i].align);
+        assert_equals(cues[i].vertical, expected[i].vertical);
+    }
 }