[oilpan] Completely move HTMLFormControlElement's hierarchy to the managed heap

Source/bindings/v8/custom/V8HTMLOptionsCollectionCustom.cpp

Index: Source/bindings/v8/custom/V8HTMLOptionsCollectionCustom.cpp
diff --git a/Source/bindings/v8/custom/V8HTMLOptionsCollectionCustom.cpp b/Source/bindings/v8/custom/V8HTMLOptionsCollectionCustom.cpp
index ee1aedb99a7ff28acc93cdb7d4b9410e9a25bc48..72e6aadfc0a255ecd06ff8fba68e3a3c05d1b12e 100644
--- a/Source/bindings/v8/custom/V8HTMLOptionsCollectionCustom.cpp
+++ b/Source/bindings/v8/custom/V8HTMLOptionsCollectionCustom.cpp
@@ -86,8 +86,8 @@ v8::Handle<v8::Value> V8HTMLOptionsCollection::namedItemMethodCustom(const v8::A
 v8::Handle<v8::Value> V8HTMLOptionsCollection::removeMethodCustom(const v8::Arguments& args)
 {
     HTMLOptionsCollection* imp = V8HTMLOptionsCollection::toNative(args.Holder());
-    HTMLSelectElement* base = toHTMLSelectElement(imp->ownerNode());
-    return removeElement(base, args);
+    Handle<HTMLSelectElement> base = toHTMLSelectElement(imp->ownerNode());
+    return removeElement(base.raw(), args);
 }
 
 v8::Handle<v8::Value> V8HTMLOptionsCollection::addMethodCustom(const v8::Arguments& args)
@@ -151,8 +151,8 @@ v8::Handle<v8::Value> V8HTMLOptionsCollection::indexedPropertySetter(uint32_t in
 {
     HandleScope handleScope;
     HTMLOptionsCollection* collection = V8HTMLOptionsCollection::toNative(info.Holder());
-    HTMLSelectElement* base = toHTMLSelectElement(collection->ownerNode());
-    return toOptionsCollectionSetter(index, value, base, info.GetIsolate());
+    Handle<HTMLSelectElement> base = toHTMLSelectElement(collection->ownerNode());
+    return toOptionsCollectionSetter(index, value, base.raw(), info.GetIsolate());
 }
 
 } // namespace WebCore