remove memoryinstrumentation

Source/core/platform/audio/HRTFDatabase.cpp

Index: Source/core/platform/audio/HRTFDatabase.cpp
diff --git a/Source/core/platform/audio/HRTFDatabase.cpp b/Source/core/platform/audio/HRTFDatabase.cpp
index 46469ea8673162b481001781a280fea06a814eae..4db4dcac4c4ffa184c0e48b24c7b533a6b22d9ef 100644
--- a/Source/core/platform/audio/HRTFDatabase.cpp
+++ b/Source/core/platform/audio/HRTFDatabase.cpp
@@ -33,8 +33,6 @@
 #include "HRTFDatabase.h"
 
 #include "HRTFElevation.h"
-#include "PlatformMemoryInstrumentation.h"
-#include <wtf/MemoryInstrumentationVector.h>
 
 using namespace std;
 
@@ -121,12 +119,6 @@ unsigned HRTFDatabase::indexFromElevationAngle(double elevationAngle)
     return elevationIndex;
 }
 
-void HRTFDatabase::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::AudioSharedData);
-    info.addMember(m_elevations, "elevations");
-}
-
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)