VM: Evaluate-in-frame should happen in the scope of the method class, not the receiver class.

runtime/vm/object.h

 // Copyright (c) 2012, 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 VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 5172 matching lines @@
   // If the instance is a callable object, i.e. a closure or the instance of a
   // class implementing a 'call' method, return true and set the function
   // (if not NULL) to call.
   bool IsCallable(Function* function) const;
 
   // Evaluate the given expression as if it appeared in an instance
   // method of this instance and return the resulting value, or an
   // error object if evaluating the expression fails. The method has
   // the formal parameters given in param_names, and is invoked with
   // the argument values given in param_values.
-  RawObject* Evaluate(const String& expr,
+  RawObject* Evaluate(const Class& method_cls,
+                      const String& expr,
                       const Array& param_names,
                       const Array& param_values) const;
 
   // Equivalent to invoking hashCode on this instance.
   virtual RawObject* HashCode() const;
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawInstance));
   }
 
@@ skipping 3219 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_