HRTFDatabaseLoader is not an absolute condition to run audioContext

Source/modules/webaudio/AudioContext.h

Index: Source/modules/webaudio/AudioContext.h
diff --git a/Source/modules/webaudio/AudioContext.h b/Source/modules/webaudio/AudioContext.h
index d497835e3e3c8d1286632b67f1b3d4da6a15dd26..415e2358bcdb8cdd6bdd9d9cb4906ce94afa114b 100644
--- a/Source/modules/webaudio/AudioContext.h
+++ b/Source/modules/webaudio/AudioContext.h
@@ -30,7 +30,6 @@
 #include "core/events/EventListener.h"
 #include "core/events/EventTarget.h"
 #include "platform/audio/AudioBus.h"
-#include "platform/audio/HRTFDatabaseLoader.h"
 #include "modules/webaudio/AsyncAudioDecoder.h"
 #include "modules/webaudio/AudioDestinationNode.h"
 #include "wtf/HashSet.h"
@@ -89,11 +88,6 @@ public:
 
     bool isOfflineContext() { return m_isOfflineContext; }
 
-    // Returns true when initialize() was called AND all asynchronous initialization has completed.
-    bool isRunnable() const;
-
-    HRTFDatabaseLoader* hrtfDatabaseLoader() const { return m_hrtfDatabaseLoader.get(); }
-
     // Document notification
     virtual void stop() OVERRIDE FINAL;
 
@@ -321,9 +315,6 @@ private:
     // Only accessed in the audio thread.
     Vector<AudioNode*> m_deferredFinishDerefList;
 
-    // HRTF Database loader
-    RefPtr<HRTFDatabaseLoader> m_hrtfDatabaseLoader;
-
     RefPtr<AudioBuffer> m_renderTarget;
 
     bool m_isOfflineContext;