[part 2] Make classes and structures in modules fast-allocated.

Source/platform/audio/AudioDSPKernel.h

 /*
  * 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef AudioDSPKernel_h
 #define AudioDSPKernel_h
 
 #include "platform/audio/AudioDSPKernelProcessor.h"
+#include "wtf/FastAllocBase.h"
 
 namespace blink {
 
 // AudioDSPKernel does the processing for one channel of an AudioDSPKernelProcessor.
 
 class PLATFORM_EXPORT AudioDSPKernel {
+    WTF_MAKE_FAST_ALLOCATED(AudioDSPKernel);
 public:
     AudioDSPKernel(AudioDSPKernelProcessor* kernelProcessor)
         : m_kernelProcessor(kernelProcessor)
         , m_sampleRate(kernelProcessor->sampleRate())
     {
     }
 
     AudioDSPKernel(float sampleRate)
         : m_kernelProcessor(nullptr)
         , m_sampleRate(sampleRate)
@@ skipping 18 matching lines @@
 protected:
     // This raw pointer is safe because the AudioDSPKernelProcessor object is
     // guaranteed to be kept alive while the AudioDSPKernel object is alive.
     AudioDSPKernelProcessor* m_kernelProcessor;
     float m_sampleRate;
 };
 
 } // namespace blink
 
 #endif // AudioDSPKernel_h