Inline setters, getters, various cleanups & restructuring.

runtime/vm/flow_graph_optimizer.h

Index: runtime/vm/flow_graph_optimizer.h
===================================================================
--- runtime/vm/flow_graph_optimizer.h	(revision 8372)
+++ runtime/vm/flow_graph_optimizer.h	(working copy)
@@ -20,6 +20,7 @@
   void ApplyICData();
 
   virtual void VisitInstanceCall(InstanceCallComp* comp);
+  virtual void VisitInstanceSetter(InstanceSetterComp* comp);
 
   virtual void VisitDo(DoInstr* instr);
   virtual void VisitBind(BindInstr* instr);
@@ -30,6 +31,8 @@
   void TryReplaceWithBinaryOp(InstanceCallComp* comp, Token::Kind op_kind);
   void TryReplaceWithUnaryOp(InstanceCallComp* comp, Token::Kind op_kind);
 
+  void TryInlineInstanceGetter(InstanceCallComp* comp);
+  void TryInlineInstanceSetter(InstanceSetterComp* comp);
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphOptimizer);
 };