remove memoryinstrumentation

Source/core/platform/audio/HRTFElevation.cpp

Index: Source/core/platform/audio/HRTFElevation.cpp
diff --git a/Source/core/platform/audio/HRTFElevation.cpp b/Source/core/platform/audio/HRTFElevation.cpp
index 4278891593ebb2855ede7bf6e625ce3cd7481994..99fc4261e3f34c1c06e0c5b09d9995a16f208c60 100644
--- a/Source/core/platform/audio/HRTFElevation.cpp
+++ b/Source/core/platform/audio/HRTFElevation.cpp
@@ -37,10 +37,8 @@
 #include "Biquad.h"
 #include "FFTFrame.h"
 #include "HRTFPanner.h"
-#include "PlatformMemoryInstrumentation.h"
 #include <algorithm>
 #include <math.h>
-#include <wtf/MemoryInstrumentationVector.h>
 #include <wtf/OwnPtr.h>
 
 using namespace std;
@@ -274,13 +272,6 @@ void HRTFElevation::getKernelsFromAzimuth(double azimuthBlend, unsigned azimuthI
     frameDelayR = (1.0 - azimuthBlend) * frameDelayR + azimuthBlend * frameDelay2R;
 }
 
-void HRTFElevation::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::AudioSharedData);
-    info.addMember(m_kernelListL, "kernelListL");
-    info.addMember(m_kernelListR, "kernelListR");
-}
-
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)