Simplify VM internal representation of a mixin application clause (MixinAppType

runtime/vm/raw_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_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/token.h"
@@ skipping 1183 matching lines @@
   }
   bool is_being_checked_;
 };
 
 
 class RawMixinAppType : public RawAbstractType {
  private:
   RAW_HEAP_OBJECT_IMPLEMENTATION(MixinAppType);
 
   RawObject** from() {
-    return reinterpret_cast<RawObject**>(&ptr()->super_type_);
+    return reinterpret_cast<RawObject**>(&ptr()->mixins_);
   }
-  RawAbstractType* super_type_;
-  RawArray* mixin_types_;
+  RawArray* mixins_;  // Array of synthesized mixin application classes.
   RawObject** to() {
-    return reinterpret_cast<RawObject**>(&ptr()->mixin_types_);
+    return reinterpret_cast<RawObject**>(&ptr()->mixins_);
   }
 };
 
 
 class RawNumber : public RawInstance {
   RAW_OBJECT_IMPLEMENTATION(Number);
 };
 
 
 class RawInteger : public RawNumber {
@@ skipping 492 matching lines @@
   // Make sure this is updated when new TypedData types are added.
   ASSERT(kTypedDataInt8ArrayViewCid == kTypedDataInt8ArrayCid + 12);
   ASSERT(kExternalTypedDataInt8ArrayCid == kTypedDataInt8ArrayViewCid + 13);
   ASSERT(kNullCid == kExternalTypedDataInt8ArrayCid + 12);
   return (kNullCid - kTypedDataInt8ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_