Move handle of HRTFDatabaseLoader to AudioListener.

Source/modules/webaudio/AudioListener.cpp

Index: Source/modules/webaudio/AudioListener.cpp
diff --git a/Source/modules/webaudio/AudioListener.cpp b/Source/modules/webaudio/AudioListener.cpp
index 94466c9a19f43f53fb90ce37373392f2ece23a7e..226a5ebb2961af03d3e06aef509b1d1f3b340e04 100644
--- a/Source/modules/webaudio/AudioListener.cpp
+++ b/Source/modules/webaudio/AudioListener.cpp
@@ -34,6 +34,7 @@
 
 #include "modules/webaudio/PannerNode.h"
 #include "platform/audio/AudioBus.h"
+#include "platform/audio/HRTFDatabaseLoader.h"
 
 namespace WebCore {
 
@@ -71,6 +72,11 @@ void AudioListener::removePanner(PannerNode* panner)
     }
 }
 
+void AudioListener::setHRTFDatabaseLoader(PassRefPtrWillBeRawPtr<HRTFDatabaseLoader> loader)
+{
+    m_hrtfDatabaseLoader = loader;
+}
+
 void AudioListener::markPannersAsDirty(unsigned type)
 {
     for (unsigned i = 0; i < m_panners.size(); ++i)