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

third_party/WebKit/LayoutTests/fast/canvas/canvas-strokeRect-expected.txt

-Series of tests to ensure correct behaviour of canvas.strokeRect()
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-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
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-Test canvas.strokeRect() with solid green.
-PASS imgdata[4] is 0
-PASS imgdata[5] is 128
-PASS imgdata[6] is 0
-Test canvas.strokeRect() with a pattern.
-PASS imgdata[4] is 0
-PASS imgdata[5] is 128
-PASS imgdata[6] is 0
-Test canvas.strokeRect() with a gradient.
-PASS imgdata[4] is 0
-PASS imgdata[5] is 128
-PASS imgdata[6] is 0
-Test canvas.strokeRect() with height = width = 0 and lineWidth = 2.
-PASS imgdata[0] is 0
-PASS imgdata[1] is 0
-PASS imgdata[2] is 0
-Test canvas.strokeRect() with height = width = 0, lineWidth = 2, and shadow.
-PASS imgdata[0] is 0
-PASS imgdata[1] is 0
-PASS imgdata[2] is 0
-PASS successfullyParsed is true
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-TEST COMPLETE
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