Remove unused Zone argument from InitializeAstVisitor

src/typing.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/typing.h"
 
 #include "src/frames.h"
 #include "src/frames-inl.h"
 #include "src/ostreams.h"
 #include "src/parser.h"  // for CompileTimeValue; TODO(rossberg): should move
 #include "src/scopes.h"
 #include "src/splay-tree-inl.h"
 
 namespace v8 {
 namespace internal {
 
 
 AstTyper::AstTyper(Isolate* isolate, Zone* zone, Handle<JSFunction> closure,
                    Scope* scope, BailoutId osr_ast_id, FunctionLiteral* root)
     : isolate_(isolate),
+      zone_(zone),
       closure_(closure),
       scope_(scope),
       osr_ast_id_(osr_ast_id),
       root_(root),
       oracle_(isolate, zone, handle(closure->shared()->code()),
               handle(closure->shared()->feedback_vector()),
               handle(closure->context()->native_context())),
       store_(zone) {
-  InitializeAstVisitor(isolate, zone);
+  InitializeAstVisitor(isolate);
 }
 
 
 #ifdef OBJECT_PRINT
   static void PrintObserved(Variable* var, Object* value, Type* type) {
     OFStream os(stdout);
     os << "  observed " << (var->IsParameter() ? "param" : "local") << "  ";
     var->name()->Print(os);
     os << " : " << Brief(value) << " -> ";
     type->PrintTo(os);
@@ skipping 765 matching lines @@
 void AstTyper::VisitImportDeclaration(ImportDeclaration* declaration) {
 }
 
 
 void AstTyper::VisitExportDeclaration(ExportDeclaration* declaration) {
 }
 
 
 }  // namespace internal
 }  // namespace v8