Add Dart_GetSupertype to the dart debugger API so that the dartium

runtime/include/dart_debugger_api.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef INCLUDE_DART_DEBUGGER_API_H_
 #define INCLUDE_DART_DEBUGGER_API_H_
 
 #include "include/dart_api.h"
 
 typedef struct _Dart_Breakpoint* Dart_Breakpoint;
@@ skipping 486 matching lines @@
  * Returns the superclass of the given class \cls.
  *
  * Requires there to be a current isolate.
  *
  * \return A handle to the class object.
  */
 DART_EXPORT Dart_Handle Dart_GetSuperclass(Dart_Handle cls);
 
 
 /**
+ * Returns the supertype of the given instantiated type \cls.
+ *
+ * Requires there to be a current isolate.
+ *
+ * \return A handle to the type object.
+ */
+DART_EXPORT Dart_Handle Dart_GetSupertype(Dart_Handle type);
+
+
+/**
  * Returns info about the given class \cls_id.
  *
  * \param class_name receives handle to class name (string) if non-null.
  * \param library receives handle to library in which the class
  *        is defined, if non-null.
  * \param super_class_id receives the class id to the super class of
  *        \cls_id if non-null.
  * \param static_fields If non-null, receives an array containing field
  *        names and values of static fields of the class. Names are
  *        at array offsets 2*n, values at offset 2*n+1.
@@ skipping 106 matching lines @@
  * \param request A REST-like string, which uses '/' to separate
  *     parameters. The first parameter is always the status type.
  *
  * \return The requested status as a JSON formatted string, with the
  *     contents defined by the status plug-in. The caller is responsible
  *     for freeing this string.
  */
 DART_EXPORT char* Dart_GetVmStatus(const char* request);
 
 #endif  // INCLUDE_DART_DEBUGGER_API_H_