Add explicit destructors to DOM classes containing smart pointers to incomplete types

Source/platform/audio/AudioDSPKernelProcessor.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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 28 matching lines @@
 
 namespace blink {
 
 // setNumberOfChannels() may later be called if the object is not yet in an "initialized" state.
 AudioDSPKernelProcessor::AudioDSPKernelProcessor(float sampleRate, unsigned numberOfChannels)
     : AudioProcessor(sampleRate, numberOfChannels)
     , m_hasJustReset(true)
 {
 }
 
+AudioDSPKernelProcessor::~AudioDSPKernelProcessor()
+{
+}
+
 void AudioDSPKernelProcessor::initialize()
 {
     if (isInitialized())
         return;
 
     MutexLocker locker(m_processLock);
     ASSERT(!m_kernels.size());
 
     // Create processing kernels, one per channel.
     for (unsigned i = 0; i < numberOfChannels(); ++i)
@@ skipping 89 matching lines @@
         return !m_kernels.isEmpty() ? m_kernels.first()->latencyTime() : 0;
     }
     // Since we don't want to block the Audio Device thread, we return a large value
     // instead of trying to acquire the lock.
     return std::numeric_limits<double>::infinity();
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)