Remove connection from AudioParamHandler to AudioContext.

third_party/WebKit/Source/modules/webaudio/AudioParamTimeline.cpp

 /*
  * Copyright (C) 2011 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 284 matching lines @@
 
     // Remove all events starting at startTime.
     for (unsigned i = 0; i < m_events.size(); ++i) {
         if (m_events[i].time() >= startTime) {
             m_events.remove(i, m_events.size() - i);
             break;
         }
     }
 }
 
-float AudioParamTimeline::valueForContextTime(AbstractAudioContext* context, float defaultValue, bool& hasValue)
+float AudioParamTimeline::valueForContextTime(AudioDestinationHandler& audioDestination, float defaultValue, bool& hasValue)
 {
-    ASSERT(context);
-
     {
         MutexTryLocker tryLocker(m_eventsLock);
-        if (!tryLocker.locked() || !context || !m_events.size() || context->currentTime() < m_events[0].time()) {
+        if (!tryLocker.locked() || !m_events.size() || audioDestination.currentTime() < m_events[0].time()) {
             hasValue = false;
             return defaultValue;
         }
     }
 
     // Ask for just a single value.
     float value;
-    double sampleRate = context->sampleRate();
-    size_t startFrame = context->currentSampleFrame();
+    double sampleRate = audioDestination.sampleRate();
+    size_t startFrame = audioDestination.currentSampleFrame();
     double controlRate = sampleRate / AudioHandler::ProcessingSizeInFrames; // one parameter change per render quantum
     value = valuesForFrameRange(startFrame, startFrame + 1, defaultValue, &value, 1, sampleRate, controlRate);
 
     hasValue = true;
     return value;
 }
 
 float AudioParamTimeline::valuesForFrameRange(
     size_t startFrame,
     size_t endFrame,
@@ skipping 484 matching lines @@
     for (; writeIndex < numberOfValues; ++writeIndex)
         values[writeIndex] = value;
 
     // This value is used to set the .value attribute of the AudioParam.  it should be the last
     // computed value.
     return values[numberOfValues - 1];
 }
 
 } // namespace blink