Make isolate specific stub code accessors instance methods instead

runtime/vm/flow_graph_compiler.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_COMPILER_H_
 #define VM_FLOW_GRAPH_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_descriptors.h"
@@ skipping 454 matching lines @@
 
   const ICData* GetOrAddStaticCallICData(intptr_t deopt_id,
                                          const Function& target,
                                          const Array& arguments_descriptor,
                                          intptr_t num_args_tested);
 
   const ZoneGrowableArray<const ICData*>& deopt_id_to_ic_data() const {
     return *deopt_id_to_ic_data_;
   }
 
+  Isolate* isolate() const { return isolate_; }
+
  private:
   friend class CheckStackOverflowSlowPath;  // For pending_deoptimization_env_.
 
-  Isolate* isolate() const { return isolate_; }
-
   void EmitFrameEntry();
 
   void AddStaticCallTarget(const Function& function);
 
   void GenerateDeferredCode();
 
   void EmitInstructionPrologue(Instruction* instr);
   void EmitInstructionEpilogue(Instruction* instr);
 
   // Emit code to load a Value into register 'dst'.
@@ skipping 129 matching lines @@
   intptr_t lazy_deopt_pc_offset_;
 
   ZoneGrowableArray<const ICData*>* deopt_id_to_ic_data_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_COMPILER_H_