Eliminate some unnecessary handle allocations in the compiler.

runtime/vm/parser.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_PARSER_H_
 #define VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "platform/assert.h"
@@ skipping 38 matching lines @@
         expression_temp_var_(NULL),
         deferred_prefixes_(NULL),
         first_parameter_index_(0),
         first_stack_local_index_(0),
         num_copied_params_(0),
         num_stack_locals_(0) {
     ASSERT(function.IsZoneHandle());
   }
 
   const Function& function() const { return function_; }
-  RawCode* code() const { return code_.raw(); }
+  const Code& code() const { return code_; }
 
   SequenceNode* node_sequence() const { return node_sequence_; }
   void SetNodeSequence(SequenceNode* node_sequence);
 
   LocalVariable* instantiator() const { return instantiator_; }
   void set_instantiator(LocalVariable* instantiator) {
     // May be NULL.
     instantiator_ = instantiator;
   }
 
@@ skipping 650 matching lines @@
   intptr_t last_used_try_index_;
 
   bool unregister_pending_function_;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_