Replace intptr_t with TokenDescriptor

runtime/lib/object.cc

Index: runtime/lib/object.cc
diff --git a/runtime/lib/object.cc b/runtime/lib/object.cc
index d0eb27c56e0de4e54e5179934ccd80a3722d7d6d..cc64a06114258daec234d910455d10b1af634a6b 100644
--- a/runtime/lib/object.cc
+++ b/runtime/lib/object.cc
@@ -193,7 +193,7 @@ DEFINE_NATIVE_ENTRY(Object_instanceOf, 4) {
     DartFrameIterator iterator;
     StackFrame* caller_frame = iterator.NextFrame();
     ASSERT(caller_frame != NULL);
-    const intptr_t location = caller_frame->GetTokenPos();
+    const TokenPosition location = caller_frame->GetTokenPos();
     String& bound_error_message = String::Handle(
         zone, String::New(bound_error.ToErrorCString()));
     Exceptions::CreateAndThrowTypeError(
@@ -303,7 +303,7 @@ DEFINE_NATIVE_ENTRY(Object_as, 3) {
     DartFrameIterator iterator;
     StackFrame* caller_frame = iterator.NextFrame();
     ASSERT(caller_frame != NULL);
-    const intptr_t location = caller_frame->GetTokenPos();
+    const TokenPosition location = caller_frame->GetTokenPos();
     const AbstractType& instance_type =
         AbstractType::Handle(instance.GetType());
     const String& instance_type_name =