VM: Small cleanup in optimizer and intrinsics code.

runtime/vm/flow_graph_optimizer.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_FLOW_GRAPH_OPTIMIZER_H_
 #define VM_FLOW_GRAPH_OPTIMIZER_H_
 
 #include "vm/intermediate_language.h"
 #include "vm/flow_graph.h"
 
@@ skipping 197 matching lines @@
   void InsertConversionsFor(Definition* def);
 
   void ConvertUse(Value* use, Representation from);
   void ConvertEnvironmentUse(Value* use, Representation from);
 
   void InsertConversion(Representation from,
                         Representation to,
                         Value* use,
                         bool is_environment_use);
 
-  bool InstanceCallNeedsClassCheck(InstanceCallInstr* call) const;
-  bool MethodExtractorNeedsClassCheck(InstanceCallInstr* call) const;
+  bool InstanceCallNeedsClassCheck(InstanceCallInstr* call,
+                                   bool is_method_extractor) const;
 
   bool InlineFloat32x4Getter(InstanceCallInstr* call,
                              MethodRecognizer::Kind getter);
   bool InlineFloat64x2Getter(InstanceCallInstr* call,
                              MethodRecognizer::Kind getter);
   bool InlineInt32x4Getter(InstanceCallInstr* call,
                             MethodRecognizer::Kind getter);
   bool InlineFloat32x4BinaryOp(InstanceCallInstr* call,
                                Token::Kind op_kind);
   bool InlineInt32x4BinaryOp(InstanceCallInstr* call,
@@ skipping 273 matching lines @@
 // Optimize spill stores inside try-blocks by identifying values that always
 // contain a single known constant at catch block entry.
 class TryCatchAnalyzer : public AllStatic {
  public:
   static void Optimize(FlowGraph* flow_graph);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_OPTIMIZER_H_