Convert MediaElementAudioSource tests to testharness.

third_party/WebKit/LayoutTests/webaudio/MediaElementAudioSource/mediaelementaudiosourcenode-expected.txt

Index: third_party/WebKit/LayoutTests/webaudio/MediaElementAudioSource/mediaelementaudiosourcenode-expected.txt
diff --git a/third_party/WebKit/LayoutTests/webaudio/MediaElementAudioSource/mediaelementaudiosourcenode-expected.txt b/third_party/WebKit/LayoutTests/webaudio/MediaElementAudioSource/mediaelementaudiosourcenode-expected.txt
deleted file mode 100644
index 4fec3e5fbf01250512d3b27fef7928006874524e..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/webaudio/MediaElementAudioSource/mediaelementaudiosourcenode-expected.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-Basic tests for MediaElementAudioSourceNode API.
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-PASS audioNode.numberOfInputs is 0
-PASS audioNode.numberOfOutputs is 1
-PASS audioNode.connect(0, 0, 0) threw exception TypeError: Failed to execute 'connect' on 'AudioNode': parameter 1 is not of type 'AudioNode'..
-PASS audioNode.connect(context.destination, 5, 0) threw exception IndexSizeError: Failed to execute 'connect' on 'AudioNode': output index (5) exceeds number of outputs (1)..
-PASS audioNode.connect(context.destination, 0, 5) threw exception IndexSizeError: Failed to execute 'connect' on 'AudioNode': input index (5) exceeds number of inputs (1)..
-PASS audioNode.connect(context.destination, 0, 0) did not throw exception.
-PASS context.createMediaElementSource(audioElement) threw exception InvalidStateError: Failed to execute 'createMediaElementSource' on 'BaseAudioContext': HTMLMediaElement already connected previously to a different MediaElementSourceNode..
-PASS successfullyParsed is true
-
-TEST COMPLETE
-