Bug 1564774 [wpt PR 17660] - Implement DOMPoint.fromPoint, a=testonly

Automatic update from web-platform-tests
Implement DOMPoint.fromPoint

--

wpt-commits: 0b22439430b6d8d9a6d43a0908e86c0366f207c0
wpt-pr: 17660

testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/automation-rate-testing.js

@@ -45,7 +45,7 @@
 // The promise from |startRendering| is returned.
 function doTest(context, should, options) {
   let merger = new ChannelMergerNode(
-      context, {numberOfInputs: context.destination.numberOfChannels});
+      context, {numberOfInputs: context.destination.channelCount});
   merger.connect(context.destination);
 
   let src = null;

testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/k-rate-oscillator.html

@@ -32,7 +32,7 @@
               });
 
               let merger = new ChannelMergerNode(
-                  context, {numberOfInputs: context.numberOfChannels});
+                  context, {numberOfInputs: context.destination.channelCount});
               merger.connect(context.destination);
               let inverter = new GainNode(context, {gain: -1});
               inverter.connect(merger, 0, 2);