- Get rid of RawClosure class and use RawInstance for closures.

vm/raw_object.cc

Index: vm/raw_object.cc
===================================================================
--- vm/raw_object.cc	(revision 13564)
+++ vm/raw_object.cc	(working copy)
@@ -286,14 +286,8 @@
         break;
     }
   } else {
-    RawClass* raw_class = visitor->isolate()->class_table()->At(class_id);
-    if (Class::IsSignatureClass(raw_class)) {
-      RawClosure* raw_obj = reinterpret_cast<RawClosure*>(this);
-      size = RawClosure::VisitClosurePointers(raw_obj, visitor);
-    } else {
-      RawInstance* raw_obj = reinterpret_cast<RawInstance*>(this);
-      size = RawInstance::VisitInstancePointers(raw_obj, visitor);
-    }
+    RawInstance* raw_obj = reinterpret_cast<RawInstance*>(this);
+    size = RawInstance::VisitInstancePointers(raw_obj, visitor);
   }
 
   ASSERT(size != 0);
@@ -964,15 +958,6 @@
 }
 
 
-intptr_t RawClosure::VisitClosurePointers(RawClosure* raw_obj,
-                                          ObjectPointerVisitor* visitor) {
-  // Make sure that we got here with the tagged pointer as this.
-  ASSERT(raw_obj->IsHeapObject());
-  visitor->VisitPointers(raw_obj->from(), raw_obj->to());
-  return Closure::InstanceSize();
-}
-
-
 intptr_t RawStacktrace::VisitStacktracePointers(RawStacktrace* raw_obj,
                                                 ObjectPointerVisitor* visitor) {
   // Make sure that we got here with the tagged pointer as this.