Oilpan: move LiveNodeList collections to the heap.

Source/core/html/HTMLSelectElement.cpp

Index: Source/core/html/HTMLSelectElement.cpp
diff --git a/Source/core/html/HTMLSelectElement.cpp b/Source/core/html/HTMLSelectElement.cpp
index 6243613d59e1dda339df9473733cd4d4045c5ac9..d739e9ee549ed1fefa492dadfc9cc9c87ff2a904 100644
--- a/Source/core/html/HTMLSelectElement.cpp
+++ b/Source/core/html/HTMLSelectElement.cpp
@@ -373,13 +373,13 @@ RenderObject* HTMLSelectElement::createRenderer(RenderStyle*)
     return new RenderListBox(this);
 }
 
-PassRefPtr<HTMLCollection> HTMLSelectElement::selectedOptions()
+PassRefPtrWillBeRawPtr<HTMLCollection> HTMLSelectElement::selectedOptions()
 {
     updateListItemSelectedStates();
     return ensureCachedHTMLCollection(SelectedOptions);
 }
 
-PassRefPtr<HTMLOptionsCollection> HTMLSelectElement::options()
+PassRefPtrWillBeRawPtr<HTMLOptionsCollection> HTMLSelectElement::options()
 {
     return static_cast<HTMLOptionsCollection*>(ensureCachedHTMLCollection(SelectOptions).get());
 }