Remove the WEB_AUDIO compile time flag

third_party/WebKit/Source/platform/mediastream/MediaStreamComponent.h

 /*
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 50 matching lines @@
     // So this class runs pre-finalizer to finalize |m_extraData| promptly.
     void dispose();
 
     MediaStreamSource* source() const { return m_source.get(); }
 
     String id() const { return m_id; }
     bool enabled() const { return m_enabled; }
     void setEnabled(bool enabled) { m_enabled = enabled; }
     bool muted() const { return m_muted; }
     void setMuted(bool muted) { m_muted = muted; }
-
-#if ENABLE(WEB_AUDIO)
     AudioSourceProvider* audioSourceProvider() { return &m_sourceProvider; }
     void setSourceProvider(WebAudioSourceProvider* provider) { m_sourceProvider.wrap(provider); }
-#endif // ENABLE(WEB_AUDIO)
 
     ExtraData* extraData() const { return m_extraData.get(); }
     void setExtraData(PassOwnPtr<ExtraData> extraData) { m_extraData = std::move(extraData); }
 
     DECLARE_TRACE();
 
 private:
     MediaStreamComponent(const String& id, MediaStreamSource*);
 
-#if ENABLE(WEB_AUDIO)
     // AudioSourceProviderImpl wraps a WebAudioSourceProvider::provideInput()
     // calls into chromium to get a rendered audio stream.
 
     class PLATFORM_EXPORT AudioSourceProviderImpl final: public AudioSourceProvider {
     public:
         AudioSourceProviderImpl()
             : m_webAudioSourceProvider(0)
         {
         }
 
         ~AudioSourceProviderImpl() override {}
 
         // Wraps the given blink::WebAudioSourceProvider to blink::AudioSourceProvider.
         void wrap(WebAudioSourceProvider*);
 
         // blink::AudioSourceProvider
         void provideInput(AudioBus*, size_t framesToProcess) override;
 
     private:
         WebAudioSourceProvider* m_webAudioSourceProvider;
         Mutex m_provideInputLock;
     };
 
     AudioSourceProviderImpl m_sourceProvider;
-#endif // ENABLE(WEB_AUDIO)
-
     Member<MediaStreamSource> m_source;
     String m_id;
     bool m_enabled;
     bool m_muted;
     OwnPtr<ExtraData> m_extraData;
 };
 
 typedef HeapVector<Member<MediaStreamComponent>> MediaStreamComponentVector;
 
 } // namespace blink
 
 #endif // MediaStreamComponent_h