Oilpan: move LiveNodeList collections to the heap.

Source/core/html/HTMLInputElement.cpp

Index: Source/core/html/HTMLInputElement.cpp
diff --git a/Source/core/html/HTMLInputElement.cpp b/Source/core/html/HTMLInputElement.cpp
index 6e13bc0d98d06a472e7136973da9ab0970a5fddf..d4d81505907bbbcf1db9402c8413b3b32586ceef 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -1501,7 +1501,7 @@ bool HTMLInputElement::hasValidDataListOptions() const
     HTMLDataListElement* dataList = this->dataList();
     if (!dataList)
         return false;
-    RefPtr<HTMLCollection> options = dataList->options();
+    RefPtrWillBeRawPtr<HTMLCollection> options = dataList->options();
     for (unsigned i = 0; HTMLOptionElement* option = toHTMLOptionElement(options->item(i)); ++i) {
         if (isValidValue(option->value()))
             return true;
@@ -1836,7 +1836,7 @@ bool HTMLInputElement::setupDateTimeChooserParameters(DateTimeChooserParameters&
     parameters.doubleValue = m_inputType->valueAsDouble();
     parameters.isAnchorElementRTL = computedStyle()->direction() == RTL;
     if (HTMLDataListElement* dataList = this->dataList()) {
-        RefPtr<HTMLCollection> options = dataList->options();
+        RefPtrWillBeRawPtr<HTMLCollection> options = dataList->options();
         for (unsigned i = 0; HTMLOptionElement* option = toHTMLOptionElement(options->item(i)); ++i) {
             if (!isValidValue(option->value()))
                 continue;