Adding template parameter to PrototypeIterator GetCurrent for casting

src/runtime/runtime-object.cc

Index: src/runtime/runtime-object.cc
diff --git a/src/runtime/runtime-object.cc b/src/runtime/runtime-object.cc
index 6287c98f3eb00e43a783a9df1edfe6d59301c246..ba76a3d1c13a6dbe569a9f21eb4f7f6d687b08a0 100644
--- a/src/runtime/runtime-object.cc
+++ b/src/runtime/runtime-object.cc
@@ -182,8 +182,7 @@ MaybeHandle<Object> Runtime::GetPrototype(Isolate* isolate,
   PrototypeIterator iter(isolate, obj, PrototypeIterator::START_AT_RECEIVER);
   do {
     if (PrototypeIterator::GetCurrent(iter)->IsAccessCheckNeeded() &&
-        !isolate->MayAccess(
-            Handle<JSObject>::cast(PrototypeIterator::GetCurrent(iter)))) {
+        !isolate->MayAccess(PrototypeIterator::GetCurrent<JSObject>(iter))) {
       return isolate->factory()->null_value();
     }
     iter.AdvanceIgnoringProxies();
@@ -694,14 +693,13 @@ static Object* HasOwnPropertyImplementation(Isolate* isolate,
   // look like they are on this object.
   PrototypeIterator iter(isolate, object);
   if (!iter.IsAtEnd() &&
-      Handle<JSObject>::cast(PrototypeIterator::GetCurrent(iter))
+      PrototypeIterator::GetCurrent<JSObject>(iter)
           ->map()
           ->is_hidden_prototype()) {
     // TODO(verwaest): The recursion is not necessary for keys that are array
     // indices. Removing this.
     return HasOwnPropertyImplementation(
-        isolate, Handle<JSObject>::cast(PrototypeIterator::GetCurrent(iter)),
-        key);
+        isolate, PrototypeIterator::GetCurrent<JSObject>(iter), key);
   }
   RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate);
   return isolate->heap()->false_value();
@@ -839,8 +837,7 @@ RUNTIME_FUNCTION(Runtime_GetOwnPropertyNames) {
   for (PrototypeIterator iter(isolate, object,
                               PrototypeIterator::START_AT_RECEIVER);
        !iter.IsAtEnd(PrototypeIterator::END_AT_NON_HIDDEN); iter.Advance()) {
-    Handle<JSObject> jsproto =
-        Handle<JSObject>::cast(PrototypeIterator::GetCurrent(iter));
+    Handle<JSObject> jsproto = PrototypeIterator::GetCurrent<JSObject>(iter);
     total_property_count += jsproto->NumberOfOwnProperties(filter);
   }
 
@@ -855,8 +852,7 @@ RUNTIME_FUNCTION(Runtime_GetOwnPropertyNames) {
   for (PrototypeIterator iter(isolate, object,
                               PrototypeIterator::START_AT_RECEIVER);
        !iter.IsAtEnd(PrototypeIterator::END_AT_NON_HIDDEN); iter.Advance()) {
-    Handle<JSObject> jsproto =
-        Handle<JSObject>::cast(PrototypeIterator::GetCurrent(iter));
+    Handle<JSObject> jsproto = PrototypeIterator::GetCurrent<JSObject>(iter);
     int own = jsproto->GetOwnPropertyNames(*names, next_copy_index, filter);
     // Names from hidden prototypes may already have been added
     // for inherited function template instances. Count the duplicates