Split "Online" and "Offline" AudioContext processing

Source/modules/webaudio/AudioDestinationNode.cpp

Index: Source/modules/webaudio/AudioDestinationNode.cpp
diff --git a/Source/modules/webaudio/AudioDestinationNode.cpp b/Source/modules/webaudio/AudioDestinationNode.cpp
index 920bb6cef15abd48fa14f9edccea93b494906984..279b38d5e2a23d2ac0da48343965747552cca9fa 100644
--- a/Source/modules/webaudio/AudioDestinationNode.cpp
+++ b/Source/modules/webaudio/AudioDestinationNode.cpp
@@ -26,7 +26,7 @@
 #if ENABLE(WEB_AUDIO)
 #include "modules/webaudio/AudioDestinationNode.h"
 
-#include "modules/webaudio/AudioContext.h"
+#include "modules/webaudio/AbstractAudioContext.h"
 #include "modules/webaudio/AudioNodeInput.h"
 #include "modules/webaudio/AudioNodeOutput.h"
 #include "platform/audio/AudioUtilities.h"
@@ -97,7 +97,7 @@ void AudioDestinationHandler::render(AudioBus* sourceBus, AudioBus* destinationB
 
 // ----------------------------------------------------------------
 
-AudioDestinationNode::AudioDestinationNode(AudioContext& context)
+AudioDestinationNode::AudioDestinationNode(AbstractAudioContext& context)
     : AudioNode(context)
 {
 }