Add counters for all of the WebAudio nodes and important methods.

Source/core/frame/UseCounter.h

Index: Source/core/frame/UseCounter.h
diff --git a/Source/core/frame/UseCounter.h b/Source/core/frame/UseCounter.h
index e47cce852bd2eb5bd0e22aa59d5218f208e37f1e..fd15699999e4753ff06d1cb76340f8dd0f21ee69 100644
--- a/Source/core/frame/UseCounter.h
+++ b/Source/core/frame/UseCounter.h
@@ -565,6 +565,31 @@ public:
         ShadowRootGetElementsByClassName = 623,
         ShadowRootGetElementsByTagName = 624,
         ShadowRootGetElementsByTagNameNS = 625,
+        AudioContextCreateAnalyser = 626,
+        AudioContextCreateBiquadFilter = 627,
+        AudioContextCreateBufferSource = 628,
+        AudioContextCreateChannelMerger = 629,
+        AudioContextCreateChannelSplitter = 630,
+        AudioContextCreateConvolver = 631,
+        AudioContextCreateDelay = 632,
+        AudioContextCreateDynamicsCompressor = 633,
+        AudioContextCreateGain = 634,
+        AudioContextCreateMediaElementSource = 635,
+        AudioContextCreateMediaStreamDestination = 636,
+        AudioContextCreateMediaStreamSource = 637,
+        AudioContextCreateOscillator = 638,
+        AudioContextCreatePanner = 639,
+        AudioContextCreatePeriodicWave = 640,
+        AudioContextCreateScriptProcessor = 641,
+        AudioContextCreateStereoPanner = 642,
+        AudioContextCreateWaveShaper = 643,
+        AudioContextDecodeAudioData = 644,
+        AudioContextResume = 645,
+        AudioContextSuspend = 646,
+        AudioContext = 647,
+        OfflineAudioContext = 648,
+        PrefixedAudioContext = 649,
+        PrefixedOfflineAudioContext = 650,
 
         // Add new features immediately above this line. Don't change assigned
         // numbers of any item, and don't reuse removed slots.