Split "Online" and "Offline" AudioContext processing

Source/modules/webaudio/AudioParam.h

Index: Source/modules/webaudio/AudioParam.h
diff --git a/Source/modules/webaudio/AudioParam.h b/Source/modules/webaudio/AudioParam.h
index e1c0444809a539ead041f54c5ad52dcbfbbe9f5d..ee3dbf11b3212fb5f5b3a51b9b3dc195170e6dd1 100644
--- a/Source/modules/webaudio/AudioParam.h
+++ b/Source/modules/webaudio/AudioParam.h
@@ -31,7 +31,7 @@
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/DOMTypedArray.h"
-#include "modules/webaudio/AudioContext.h"
+#include "modules/webaudio/AbstractAudioContext.h"
 #include "modules/webaudio/AudioParamTimeline.h"
 #include "modules/webaudio/AudioSummingJunction.h"
 #include "wtf/PassRefPtr.h"
@@ -54,13 +54,13 @@ public:
     static const double DefaultSmoothingConstant;
     static const double SnapThreshold;
 
-    static PassRefPtr<AudioParamHandler> create(AudioContext& context, double defaultValue)
+    static PassRefPtr<AudioParamHandler> create(AbstractAudioContext& context, double defaultValue)
     {
         return adoptRef(new AudioParamHandler(context, defaultValue));
     }
     DECLARE_TRACE();
     // This should be used only in audio rendering thread.
-    AudioContext* context() const;
+    AbstractAudioContext* context() const;
 
     // AudioSummingJunction
     void didUpdate() override { }
@@ -100,7 +100,7 @@ public:
     void disconnect(AudioNodeOutput&);
 
 private:
-    AudioParamHandler(AudioContext& context, double defaultValue)
+    AudioParamHandler(AbstractAudioContext& context, double defaultValue)
         : AudioSummingJunction(context.deferredTaskHandler())
         , m_value(defaultValue)
         , m_defaultValue(defaultValue)
@@ -121,19 +121,19 @@ private:
 
     // We can't make this Persistent because of a reference cycle. It's safe to
     // access this field only when we're rendering audio.
-    AudioContext& m_context;
+    AbstractAudioContext& m_context;
 };
 
 // AudioParam class represents web-exposed AudioParam interface.
 class AudioParam final : public GarbageCollectedFinalized<AudioParam>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static AudioParam* create(AudioContext&, double defaultValue);
+    static AudioParam* create(AbstractAudioContext&, double defaultValue);
     DECLARE_TRACE();
     // |handler| always returns a valid object.
     AudioParamHandler& handler() const { return *m_handler; }
     // |context| always returns a valid object.
-    AudioContext* context() const { return m_context; }
+    AbstractAudioContext* context() const { return m_context; }
 
     float value() const;
     void setValue(float);
@@ -146,10 +146,10 @@ public:
     void cancelScheduledValues(double startTime, ExceptionState&);
 
 private:
-    AudioParam(AudioContext&, double defaultValue);
+    AudioParam(AbstractAudioContext&, double defaultValue);
 
     RefPtr<AudioParamHandler> m_handler;
-    Member<AudioContext> m_context;
+    Member<AbstractAudioContext> m_context;
 };
 
 } // namespace blink