[wasm] Refactor handling of variable info in typing-asm.cc

src/typing-asm.h

Index: src/typing-asm.h
diff --git a/src/typing-asm.h b/src/typing-asm.h
index c7984b2965c29fe0825343b3140d65319f14bf48..f5d2516fd5f5982951022d282edb94dd1a03398e 100644
--- a/src/typing-asm.h
+++ b/src/typing-asm.h
@@ -151,7 +151,8 @@ class AsmTyper : public AstVisitor {
 
   void SetType(Variable* variable, Type* type);
   Type* GetType(Variable* variable);
-  VariableInfo* GetVariableInfo(Variable* variable, bool setting);
+  VariableInfo* GetVariableInfo(Variable* variable);
+  VariableInfo* MakeVariableInfo(Variable* variable);
   void SetVariableInfo(Variable* variable, const VariableInfo* info);
 
   VariableInfo* LibType(ObjectTypeMap* map, Handle<String> name);
@@ -165,8 +166,6 @@ class AsmTyper : public AstVisitor {
 
   void VisitLiteral(Literal* expr, bool is_return);
 
-  void VisitVariableProxy(VariableProxy* expr, bool assignment);
-
   void VisitIntegerBitwiseOperator(BinaryOperation* expr, Type* left_expected,
                                    Type* right_expected, Type* result_type,
                                    bool conversion);