Remove connection from AudioParamHandler to AudioContext.

third_party/WebKit/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 17 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;
 
-AbstractAudioContext* AudioParamHandler::context() const
+AudioDestinationHandler* AudioParamHandler::context() const
 {
-    // TODO(tkent): We can remove this dangerous function by removing
-    // AbstractAudioContext dependency from AudioParamTimeline.
-    ASSERT_WITH_SECURITY_IMPLICATION(deferredTaskHandler().isAudioThread());
-    return m_context;
+    return &m_destination;
 }
 
 float AudioParamHandler::value()
 {
     // Update value for timeline.
     float v = intrinsicValue();
     if (deferredTaskHandler().isAudioThread()) {
         bool hasValue;
         float timelineValue = m_timeline.valueForContextTime(context(), v, hasValue);
 
@@ skipping 207 matching lines @@
 }
 
 AudioParam* AudioParam::cancelScheduledValues(double startTime, ExceptionState& exceptionState)
 {
     handler().timeline().cancelScheduledValues(startTime, exceptionState);
     return this;
 }
 
 } // namespace blink