Storage of ComputedStyle separate from LayoutObject.

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

Index: third_party/WebKit/Source/core/dom/NodeRareData.cpp
diff --git a/third_party/WebKit/Source/core/dom/NodeRareData.cpp b/third_party/WebKit/Source/core/dom/NodeRareData.cpp
index 9b60294078ea8b616eea30788713dc43b17fbd64..a3df69a1c7b1289dcaa74647e2809621e1b9394a 100644
--- a/third_party/WebKit/Source/core/dom/NodeRareData.cpp
+++ b/third_party/WebKit/Source/core/dom/NodeRareData.cpp
@@ -34,6 +34,7 @@
 #include "core/dom/Element.h"
 #include "core/dom/ElementRareData.h"
 #include "core/frame/FrameHost.h"
+#include "core/layout/LayoutObject.h"

[Timothy Loh, 2016/06/23 23:58:02]

not needed?

 #include "platform/heap/Handle.h"
 
 namespace blink {
@@ -58,7 +59,7 @@ DEFINE_TRACE_AFTER_DISPATCH(NodeRareData)
 
 DEFINE_TRACE(NodeRareData)
 {
-    if (m_isElementRareData)
+    if (isElementRareData())
         static_cast<ElementRareData*>(this)->traceAfterDispatch(visitor);
     else
         traceAfterDispatch(visitor);
@@ -66,7 +67,7 @@ DEFINE_TRACE(NodeRareData)
 
 DEFINE_TRACE_WRAPPERS(NodeRareData)
 {
-    if (m_isElementRareData)
+    if (isElementRareData())
         static_cast<const ElementRareData*>(this)->traceWrappersAfterDispatch(visitor);
     else
         traceWrappersAfterDispatch(visitor);
@@ -81,7 +82,7 @@ DEFINE_TRACE_WRAPPERS_AFTER_DISPATCH(NodeRareData)
 void NodeRareData::finalizeGarbageCollectedObject()
 {
     RELEASE_ASSERT(!layoutObject());
-    if (m_isElementRareData)
+    if (isElementRareData())
         static_cast<ElementRareData*>(this)->~ElementRareData();
     else
         this->~NodeRareData();