[worklets] Add AudioWorkletGlobalScope and AudioWorkletThread

third_party/WebKit/Source/modules/webaudio/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//third_party/WebKit/Source/modules/modules.gni")
 
 blink_modules_sources("webaudio") {
   sources = [
     "AnalyserNode.cpp",
     "AnalyserNode.h",
@@ skipping 26 matching lines @@
     "AudioParamTimeline.h",
     "AudioProcessingEvent.cpp",
     "AudioProcessingEvent.h",
     "AudioScheduledSourceNode.cpp",
     "AudioScheduledSourceNode.h",
     "AudioSourceNode.h",
     "AudioSummingJunction.cpp",
     "AudioSummingJunction.h",
     "AudioWorklet.cpp",
     "AudioWorklet.h",
+    "AudioWorkletGlobalScope.cpp",
+    "AudioWorkletGlobalScope.h",
+    "AudioWorkletThread.cpp",
+    "AudioWorkletThread.h",
     "BaseAudioContext.cpp",
     "BaseAudioContext.h",
     "BiquadDSPKernel.cpp",
     "BiquadDSPKernel.h",
     "BiquadFilterNode.cpp",
     "BiquadFilterNode.h",
     "BiquadProcessor.cpp",
     "BiquadProcessor.h",
     "ChannelMergerNode.cpp",
     "ChannelMergerNode.h",
@@ skipping 53 matching lines @@
     "WaveShaperProcessor.h",
     "WindowAudioWorklet.cpp",
     "WindowAudioWorklet.h",
   ]
 
   if (is_win) {
     # Result of 32-bit shift implicitly converted to 64 bits.
     cflags = [ "/wd4334" ]
   }
 }