Report precise memory usage from StaticNodeList to v8

BUG=none
R=haraken@chromium.org

Review URL: https://codereview.chromium.org/311053004

git-svn-id: svn://svn.chromium.org/blink/trunk@175884 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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

@@ -38,15 +38,13 @@ PassRefPtrWillBeRawPtr<StaticNodeList> StaticNodeList::adopt(WillBeHeapVector<Re
 {
     RefPtrWillBeRawPtr<StaticNodeList> nodeList = adoptRefWillBeNoop(new StaticNodeList);
     nodeList->m_nodes.swap(nodes);
-    if (nodeList->AllocationSize() > externalMemoryReportSizeLimit)
-        v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(nodeList->AllocationSize());
+    v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(nodeList->AllocationSize());
     return nodeList.release();
 }
 
 StaticNodeList::~StaticNodeList()
 {
-    if (AllocationSize() > externalMemoryReportSizeLimit)
-        v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(-AllocationSize());
+    v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(-AllocationSize());
 }
 
 unsigned StaticNodeList::length() const

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

@@ -56,10 +56,6 @@ public:
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
-    // If AllocationSize() is larger than this, we report it as external
-    // allocated memory to V8.
-    const static ptrdiff_t externalMemoryReportSizeLimit = 1024;
-
     ptrdiff_t AllocationSize()
     {
         return m_nodes.capacity() * sizeof(RefPtrWillBeMember<Node>);