Initialize value since calculateFinalValues may fail to do so.

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 78 matching lines @@
         // If we get close enough then snap to actual value.
         if (fabs(m_smoothedValue - m_value) < SnapThreshold) // FIXME: the threshold needs to be adjustable depending on range - but this is OK general purpose value.
             m_smoothedValue = m_value;
     }
 
     return false;
 }
 
 float AudioParam::finalValue()
 {
-    float value;
+    float value = m_value;
     calculateFinalValues(&value, 1, false);
     return value;
 }
 
 void AudioParam::calculateSampleAccurateValues(float* values, unsigned numberOfValues)
 {
     bool isSafe = context() && context()->isAudioThread() && values && numberOfValues;
     ASSERT(isSafe);
     if (!isSafe)
         return;
@@ skipping 81 matching lines @@
     if (m_outputs.contains(output)) {
         m_outputs.remove(output);
         changedOutputs();
         output->removeParam(this);
     }
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)