Strip Interface class of most of its logic, make it all about Module exports

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
@@ skipping 779 matching lines @@
 
 void AstTyper::VisitExportDeclaration(ExportDeclaration* declaration) {
 }
 
 
 void AstTyper::VisitModuleLiteral(ModuleLiteral* module) {
   RECURSE(Visit(module->body()));
 }
 
 
-void AstTyper::VisitModuleVariable(ModuleVariable* module) {
-}
-
-
 void AstTyper::VisitModulePath(ModulePath* module) {
   RECURSE(Visit(module->module()));
 }
 
 
 void AstTyper::VisitModuleUrl(ModuleUrl* module) {
 }
 
 
 void AstTyper::VisitModuleStatement(ModuleStatement* stmt) {
   RECURSE(Visit(stmt->body()));
 }
 
 
 } }  // namespace v8::internal