Revert of Sub-sample accurate start of OscillatorNode

third_party/WebKit/LayoutTests/webaudio/resources/audit-util.js

Index: third_party/WebKit/LayoutTests/webaudio/resources/audit-util.js
diff --git a/third_party/WebKit/LayoutTests/webaudio/resources/audit-util.js b/third_party/WebKit/LayoutTests/webaudio/resources/audit-util.js
index 277756c985e0ba89afc31b5a00b6d669c0394ca2..112d75acb7f4902b3b8209b9b1ccbaaa156782d6 100644
--- a/third_party/WebKit/LayoutTests/webaudio/resources/audit-util.js
+++ b/third_party/WebKit/LayoutTests/webaudio/resources/audit-util.js
@@ -273,21 +273,3 @@
 function isValidNumber(x) {
     return !isNaN(x) && (x != Infinity) && (x != -Infinity);
 }
-
-// Compute the (linear) signal-to-noise ratio between |actual| and
-// |expected|.  The result is NOT in dB!  If the |actual| and
-// |expected| have different lengths, the shorter length is used.
-function computeSNR(actual, expected) {
-    var signalPower = 0;
-    var noisePower = 0;
-
-    var length = Math.min(actual.length, expected.length);
-
-    for (var k = 0; k < length; ++k) {
-        var diff = actual[k] - expected[k];
-        signalPower += expected[k] * expected[k];
-        noisePower += diff * diff;
-    }
-
-    return signalPower / noisePower;
-}