remove memoryinstrumentation

Source/core/css/StylePropertySet.cpp

Index: Source/core/css/StylePropertySet.cpp
diff --git a/Source/core/css/StylePropertySet.cpp b/Source/core/css/StylePropertySet.cpp
index 8d6f5d9461d42711759c0316ae188bf1bb51ec33..1fb165423d8423819c4990bdb22f8ca0b9c651f2 100644
--- a/Source/core/css/StylePropertySet.cpp
+++ b/Source/core/css/StylePropertySet.cpp
@@ -32,7 +32,6 @@
 #include "StylePropertyShorthand.h"
 #include "StyleSheetContents.h"
 #include <wtf/BitArray.h>
-#include <wtf/MemoryInstrumentationVector.h>
 #include <wtf/text/StringBuilder.h>
 
 #ifndef NDEBUG
@@ -1260,18 +1259,6 @@ unsigned StylePropertySet::averageSizeInBytes()
     return sizeForImmutableStylePropertySetWithPropertyCount(4);
 }
 
-void StylePropertySet::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    size_t actualSize = m_isMutable ? sizeof(StylePropertySet) : sizeForImmutableStylePropertySetWithPropertyCount(m_arraySize);
-    MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS, actualSize);
-    if (m_isMutable)
-        info.addMember(mutablePropertyVector(), "mutablePropertyVector()");
-    else {
-        for (unsigned i = 0; i < propertyCount(); ++i)
-            info.addMember(propertyAt(i).value(), "value");
-    }
-}
-
 // See the function above if you need to update this.
 struct SameSizeAsStylePropertySet : public RefCounted<SameSizeAsStylePropertySet> {
     unsigned bitfield;