Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests.

third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-toDataURL-case-insensitive-mimetype.js

Index: third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-toDataURL-case-insensitive-mimetype.js
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-toDataURL-case-insensitive-mimetype.js b/third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-toDataURL-case-insensitive-mimetype.js
deleted file mode 100644
index 17d1edd069ce5de28aa2897eb0fa69715423e6e6..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/fast/canvas/script-tests/canvas-toDataURL-case-insensitive-mimetype.js
+++ /dev/null
@@ -1,28 +0,0 @@
-description("Test that toDataURL(mimeType) ignores the case of 'mimeType'.");
-
-canvas = document.createElement('canvas');
-
-function tryMimeType(mimeType) {
-    re = new RegExp("^data:([^;,]+)[;,].*");
-    data = canvas.toDataURL(mimeType);
-    caps = data.match(re);
-    if (caps.length != 2)
-        return "FAIL";
-    return caps[1];
-}
-
-shouldBe("tryMimeType('image/png')", "'image/png'");
-shouldBe("tryMimeType('iMAge/Png')", "'image/png'");
-shouldBe("tryMimeType('IMAGE/PNG')", "'image/png'");
-
-if (tryMimeType("image/jpeg") == "image/jpeg") {
-    shouldBe("tryMimeType('image/jpeg')", "'image/jpeg'");
-    shouldBe("tryMimeType('imAgE/jPEg')", "'image/jpeg'");
-    shouldBe("tryMimeType('IMAGE/JPEG')", "'image/jpeg'");
-}
-
-if (tryMimeType("image/webp") == "image/webp") {
-    shouldBe("tryMimeType('image/webp')", "'image/webp'");
-    shouldBe("tryMimeType('imAgE/wEBp')", "'image/webp'");
-    shouldBe("tryMimeType('IMAGE/WEBP')", "'image/webp'");
-}