Add constructors for WebAudio nodes

third_party/WebKit/Source/core/frame/UseCounter.h

Index: third_party/WebKit/Source/core/frame/UseCounter.h
diff --git a/third_party/WebKit/Source/core/frame/UseCounter.h b/third_party/WebKit/Source/core/frame/UseCounter.h
index 952d9c884b6a5392acd48b2f1b076c4679cc22cc..d17deacab4f971c097012ddf3850027c3a0cd445 100644
--- a/third_party/WebKit/Source/core/frame/UseCounter.h
+++ b/third_party/WebKit/Source/core/frame/UseCounter.h
@@ -1295,6 +1295,24 @@ public:
         DragAndDropScrollStart = 1554,
         PresentationConnectionListConnectionAvailableEventListener = 1555,
         WebAudioAutoplayCrossOriginIframe = 1556,
+        AnalyserNode = 1557,
+        AudioBuffer = 1558,
+        AudioBufferSourceNode = 1559,
+        BiquadFilterNode = 1560,
+        ChannelMergerNode = 1561,
+        ChannelSplitterNode = 1562,
+        ConvolverNode = 1563,
+        DelayNode = 1564,
+        DynamicsCompressorNode = 1565,
+        GainNode = 1566,
+        IIRFilterNode = 1567,
+        MediaElementAudioSourceNode = 1568,
+        OscillatorNode = 1569,
+        PannerNode = 1570,
+        PeriodicWave = 1571,
+        StereoPannerNode = 1572,
+        WaveShaperNode = 1573,
+
         // Add new features immediately above this line. Don't change assigned
         // numbers of any item, and don't reuse removed slots.
         // Also, run update_use_counter_feature_enum.py in chromium/src/tools/metrics/histograms/