Split "Online" and "Offline" AudioContext processing

Source/modules/webaudio/AnalyserNode.cpp

Index: Source/modules/webaudio/AnalyserNode.cpp
diff --git a/Source/modules/webaudio/AnalyserNode.cpp b/Source/modules/webaudio/AnalyserNode.cpp
index c43dc7f5bf40643048738d85d5a36f1d0fa56a11..dd35a3a2236d4df1af3efdd3bb401560138e726d 100644
--- a/Source/modules/webaudio/AnalyserNode.cpp
+++ b/Source/modules/webaudio/AnalyserNode.cpp
@@ -116,13 +116,13 @@ void AnalyserHandler::setSmoothingTimeConstant(double k, ExceptionState& excepti
 
 // ----------------------------------------------------------------
 
-AnalyserNode::AnalyserNode(AudioContext& context, float sampleRate)
+AnalyserNode::AnalyserNode(AbstractAudioContext& context, float sampleRate)
     : AudioBasicInspectorNode(context)
 {
     setHandler(AnalyserHandler::create(*this, sampleRate));
 }
 
-AnalyserNode* AnalyserNode::create(AudioContext& context, float sampleRate)
+AnalyserNode* AnalyserNode::create(AbstractAudioContext& context, float sampleRate)
 {
     return new AnalyserNode(context, sampleRate);
 }