Refactor type finalization in VM so that the parser only resolves type

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 RUNTIME_VM_PARSER_H_
 #define RUNTIME_VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "platform/assert.h"
@@ skipping 496 matching lines @@
   void ParseLibraryDefinition(const Object& tl_owner);
   void ParseLibraryName();
   void ParseLibraryImportExport(const Object& tl_owner,
                                 TokenPosition metadata_pos);
   void ParseLibraryPart();
   void ParsePartHeader();
   void ParseLibraryNameObsoleteSyntax();
   void ParseLibraryImportObsoleteSyntax();
   void ParseLibraryIncludeObsoleteSyntax();
 
-  void ResolveSignature(ClassFinalizer::FinalizationKind finalization,
-                        const Function& signature);
-  void ResolveType(ClassFinalizer::FinalizationKind finalization,
-                   AbstractType* type);
+  void ResolveSignature(const Function& signature);
+  void ResolveType(AbstractType* type);
+  RawAbstractType* CanonicalizeType(const AbstractType& type);
   RawAbstractType* ParseType(ClassFinalizer::FinalizationKind finalization,
                              bool allow_deferred_type = false,
                              bool consume_unresolved_prefix = true);
   RawAbstractType* ParseType(ClassFinalizer::FinalizationKind finalization,
                              bool allow_deferred_type,
                              bool consume_unresolved_prefix,
                              LibraryPrefix* prefix);
   RawType* ParseFunctionType(const AbstractType& result_type,
                              ClassFinalizer::FinalizationKind finalization);
   RawAbstractType* ParseTypeOrFunctionType(
@@ skipping 454 matching lines @@
 
   intptr_t recursion_counter_;
   friend class RecursionChecker;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_PARSER_H_