Refactor WebAudio test directory

third_party/WebKit/LayoutTests/webaudio/audiobuffersource-playbackrate-expected.txt

Index: third_party/WebKit/LayoutTests/webaudio/audiobuffersource-playbackrate-expected.txt
diff --git a/third_party/WebKit/LayoutTests/webaudio/audiobuffersource-playbackrate-expected.txt b/third_party/WebKit/LayoutTests/webaudio/audiobuffersource-playbackrate-expected.txt
deleted file mode 100644
index e1f27ddf0163a14da5dabb9c2ff1e94306029891..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/webaudio/audiobuffersource-playbackrate-expected.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-Test if AudioBufferSourceNode.playbackRate can playback at different rates properly.
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-PASS Exceeded SNR threshold of 103.8508 dB.
-PASS Maximum difference below threshold of 0.3028 ulp (16-bits).
-PASS Number of differences between results is 0 out of 14400.
-PASS Exceeded SNR threshold of 103.8657 dB.
-PASS Maximum difference below threshold of 0.3029 ulp (16-bits).
-PASS Number of differences between results is 0 out of 14400.
-PASS Exceeded SNR threshold of 103.8141 dB.
-PASS Maximum difference below threshold of 0.3047 ulp (16-bits).
-PASS Number of differences between results is 0 out of 14400.
-PASS Exceeded SNR threshold of 103.6818 dB.
-PASS Maximum difference below threshold of 0.3262 ulp (16-bits).
-PASS Number of differences between results is 0 out of 14400.
-PASS Exceeded SNR threshold of 103.1514 dB.
-PASS Maximum difference below threshold of 0.3946 ulp (16-bits).
-PASS Number of differences between results is 0 out of 14400.
-PASS successfullyParsed is true
-
-TEST COMPLETE
-