Oilpan: add Element/Node Member fields to stack allocated objects.

Source/core/html/LinkResource.h

Index: Source/core/html/LinkResource.h
diff --git a/Source/core/html/LinkResource.h b/Source/core/html/LinkResource.h
index ddd5e5842ee3442a65748a126d5b1467b6c19587..6a1ad08e8a2b46e0e5313d1a37ecc00441705df0 100644
--- a/Source/core/html/LinkResource.h
+++ b/Source/core/html/LinkResource.h
@@ -67,6 +67,7 @@ protected:
 };
 
 class LinkRequestBuilder {
+    STACK_ALLOCATED();
 public:
     explicit LinkRequestBuilder(HTMLLinkElement* owner);
 
@@ -76,7 +77,7 @@ public:
     FetchRequest build(bool blocking) const;
 
 private:
-    HTMLLinkElement* m_owner;
+    RawPtrWillBeMember<HTMLLinkElement> m_owner;
     KURL m_url;
     AtomicString m_charset;
 };