[Oilpan] Unify memory usage reporters of Oilpan

third_party/WebKit/Source/core/dom/StaticNodeList.h

Index: third_party/WebKit/Source/core/dom/StaticNodeList.h
diff --git a/third_party/WebKit/Source/core/dom/StaticNodeList.h b/third_party/WebKit/Source/core/dom/StaticNodeList.h
index a1bebef8ce823ce2461f7379320c41b7e52614a6..160eade9b2a29528a12106cad386238af29896ef 100644
--- a/third_party/WebKit/Source/core/dom/StaticNodeList.h
+++ b/third_party/WebKit/Source/core/dom/StaticNodeList.h
@@ -58,11 +58,6 @@ public:
     DECLARE_VIRTUAL_TRACE();
 
 private:
-    ptrdiff_t AllocationSize()
-    {
-        return m_nodes.capacity() * sizeof(RefPtrWillBeMember<NodeType>);
-    }
-
     WillBeHeapVector<RefPtrWillBeMember<NodeType>> m_nodes;
 };
 
@@ -74,14 +69,12 @@ PassRefPtrWillBeRawPtr<StaticNodeTypeList<NodeType>> StaticNodeTypeList<NodeType
 {
     RefPtrWillBeRawPtr<StaticNodeTypeList<NodeType>> nodeList = adoptRefWillBeNoop(new StaticNodeTypeList<NodeType>);
     nodeList->m_nodes.swap(nodes);
-    v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(nodeList->AllocationSize());
     return nodeList.release();
 }
 
 template <typename NodeType>
 StaticNodeTypeList<NodeType>::~StaticNodeTypeList()
 {
-    v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(-AllocationSize());
 }
 
 template <typename NodeType>