Fixed compilation time measurement, restructure some code.

runtime/vm/opt_code_generator_ia32.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 VM_OPT_CODE_GENERATOR_IA32_H_
 #define VM_OPT_CODE_GENERATOR_IA32_H_
 
 #ifndef VM_OPT_CODE_GENERATOR_H_
 #error Do not include opt_code_generator_ia32.h; use opt_code_generator.h.
 #endif
@@ skipping 34 matching lines @@
   virtual void VisitStoreInstanceFieldNode(StoreInstanceFieldNode* node);
   virtual void VisitCatchClauseNode(CatchClauseNode* node);
   virtual void VisitTryCatchNode(TryCatchNode* node);
   virtual void VisitUnaryOpNode(UnaryOpNode* node);
 
   virtual void GeneratePreEntryCode();
   virtual bool IsOptimizing() const { return true; }
 
   virtual void GenerateDeferredCode();
 
+  virtual void InitGenerator();
+
  private:
   friend class DeoptimizationBlob;
 
   DeoptimizationBlob* AddDeoptimizationBlob(AstNode* node,
                                             DeoptReasonId reason_id);
   DeoptimizationBlob* AddDeoptimizationBlob(AstNode* node,
                                             Register reg1,
                                             DeoptReasonId reason_id);
   DeoptimizationBlob* AddDeoptimizationBlob(AstNode* node,
                                             Register reg1,
@@ skipping 92 matching lines @@
   const Class& double_class_;
   const Class& growable_object_array_class_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(OptimizingCodeGenerator);
 };
 
 }  // namespace dart
 
 
 #endif  // VM_OPT_CODE_GENERATOR_IA32_H_