VM: Replace StoreVMField with StoreInstanceField.

runtime/vm/flow_graph_builder.h

Index: runtime/vm/flow_graph_builder.h
===================================================================
--- runtime/vm/flow_graph_builder.h	(revision 33058)
+++ runtime/vm/flow_graph_builder.h	(working copy)
@@ -318,13 +318,9 @@
   Definition* BuildStoreExprTemp(Value* value);
   Definition* BuildLoadExprTemp();
 
-  Definition* BuildStoreLocal(const LocalVariable& local,
-                              Value* value,
-                              bool result_is_needed);
+  Definition* BuildStoreLocal(const LocalVariable& local, Value* value);
   Definition* BuildLoadLocal(const LocalVariable& local);
 
-  void HandleStoreLocal(StoreLocalNode* node, bool result_is_needed);
-
   // Helpers for translating parts of the AST.
   void BuildPushArguments(const ArgumentListNode& node,
                           ZoneGrowableArray<PushArgumentInstr*>* values);
@@ -470,7 +466,6 @@
   virtual void VisitBinaryOpNode(BinaryOpNode* node);
   virtual void VisitConditionalExprNode(ConditionalExprNode* node);
   virtual void VisitLoadLocalNode(LoadLocalNode* node);
-  virtual void VisitStoreLocalNode(StoreLocalNode* node);
   virtual void VisitStoreIndexedNode(StoreIndexedNode* node);
   virtual void VisitInstanceSetterNode(InstanceSetterNode* node);
   virtual void VisitThrowNode(ThrowNode* node);