Convert track-webvtt-tc[024-026] 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 a377ae0628c054457dfd5bb0b4ea884d6ced089a..e51329ef1725ab47eb9e7827e0a07b0fbb5b4da4 100644
--- a/third_party/WebKit/LayoutTests/media/track/track-helpers.js
+++ b/third_party/WebKit/LayoutTests/media/track/track-helpers.js
@@ -45,6 +45,11 @@ function assert_cue_fragment(cue, children) {
     assert_true(fragment.isEqualNode(cue.getCueAsHTML()));
 }
 
+function assert_cue_fragment_as_textcontent(cue, children) {
+    var fragment = createFragment(children);
+    assert_equals(cue.getCueAsHTML().textContent, fragment.textContent);
+}
+
 function createFragment(children) {
     var fragment = document.createDocumentFragment();
     cloneChildrenToFragment(fragment, children);
@@ -56,6 +61,10 @@ function cloneChildrenToFragment(root, children) {
         var childElement;
         if (child.type == "text") {
             childElement = document.createTextNode(child.value);
+        } else if (child.type == "style") {

[fs, 2016/06/11 18:04:18]

I was actually thinking more like:

...
{ type: "span", style: { className: "..." }, value: [ ... ] }
...

and then here (in the "else" of type == "text"):

var styles = child.style || {};
for (var attr of Object.getOwnPropertyNames(styles))
    childElement[attr] = styles[attr];

[Srirama, 2016/06/12 06:06:16]

Done.

+            var style = child.value;
+            for (var attr of Object.getOwnPropertyNames(style))
+                root[attr] = style[attr];
         } else {
             childElement = document.createElement(child.type);
             cloneChildrenToFragment(childElement, child.value);