Convert audio*, media* and video* tests to testharness.js

third_party/WebKit/LayoutTests/media/video-canvas-expected.txt

Index: third_party/WebKit/LayoutTests/media/video-canvas-expected.txt
diff --git a/third_party/WebKit/LayoutTests/media/video-canvas-expected.txt b/third_party/WebKit/LayoutTests/media/video-canvas-expected.txt
deleted file mode 100644
index 6fe977af683acb055ce307b5a8bed459cb7ff0ff..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/media/video-canvas-expected.txt
+++ /dev/null
@@ -1,36 +0,0 @@
- 
-Test <video> as a source for <canvas>.
-
-RUN(video.src = 'content/counting.mp4')
-EVENT(loadedmetadata)
-
-EXPECTED (r == '255') OK
-EXPECTED (g == '255') OK
-EXPECTED (b == '0') OK
-
-RUN(video.currentTime = 2)
-EXPECTED (r == '8') OK
-EXPECTED (g == '0') OK
-EXPECTED (b == '226') OK
-
-RUN(video.currentTime = 4)
-EXPECTED (r == '0') OK
-EXPECTED (g == '24') OK
-EXPECTED (b == '197') OK
-
-RUN(video.currentTime = 6)
-EXPECTED (r == '0') OK
-EXPECTED (g == '46') OK
-EXPECTED (b == '166') OK
-
-RUN(video.currentTime = 8)
-EXPECTED (r == '0') OK
-EXPECTED (g == '66') OK
-EXPECTED (b == '136') OK
-
-RUN(video.currentTime = 10)
-EXPECTED (r == '0') OK
-EXPECTED (g == '85') OK
-EXPECTED (b == '112') OK
-END OF TEST
-