Split "Online" and "Offline" AudioContext processing

Source/modules/webaudio/AudioParam.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 20 matching lines @@
 #include "modules/webaudio/AudioNodeOutput.h"
 #include "platform/FloatConversion.h"
 #include "platform/audio/AudioUtilities.h"
 #include "wtf/MathExtras.h"
 
 namespace blink {
 
 const double AudioParamHandler::DefaultSmoothingConstant = 0.05;
 const double AudioParamHandler::SnapThreshold = 0.001;
 
-AudioContext* AudioParamHandler::context() const
+AbstractAudioContext* AudioParamHandler::context() const
 {
     // TODO(tkent): We can remove this dangerous function by removing
-    // AudioContext dependency from AudioParamTimeline.
+    // AbstractAudioContext dependency from AudioParamTimeline.
     ASSERT_WITH_SECURITY_IMPLICATION(deferredTaskHandler().isAudioThread());
     return &m_context;
 }
 
 float AudioParamHandler::value()
 {
     // Update value for timeline.
     if (deferredTaskHandler().isAudioThread()) {
         bool hasValue;
         float timelineValue = m_timeline.valueForContextTime(context(), narrowPrecisionToFloat(m_value), hasValue);
@@ skipping 132 matching lines @@
 
     if (m_outputs.contains(&output)) {
         m_outputs.remove(&output);
         changedOutputs();
         output.removeParam(*this);
     }
 }
 
 // ----------------------------------------------------------------
 
-AudioParam::AudioParam(AudioContext& context, double defaultValue)
+AudioParam::AudioParam(AbstractAudioContext& context, double defaultValue)
     : m_handler(AudioParamHandler::create(context, defaultValue))
     , m_context(context)
 {
 }
 
-AudioParam* AudioParam::create(AudioContext& context, double defaultValue)
+AudioParam* AudioParam::create(AbstractAudioContext& context, double defaultValue)
 {
     return new AudioParam(context, defaultValue);
 }
 
 DEFINE_TRACE(AudioParam)
 {
     visitor->trace(m_context);
 }
 
 float AudioParam::value() const
@@ skipping 37 matching lines @@
 }
 
 void AudioParam::cancelScheduledValues(double startTime, ExceptionState& exceptionState)
 {
     handler().timeline().cancelScheduledValues(startTime, exceptionState);
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)