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

src/scopeinfo.cc

 // Copyright 2011 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 <stdlib.h>
 
 #include "src/v8.h"
 
 #include "src/scopeinfo.h"
 #include "src/scopes.h"
@@ skipping 544 matching lines @@
 Handle<ModuleInfo> ModuleInfo::Create(
     Isolate* isolate, Interface* interface, Scope* scope) {
   Handle<ModuleInfo> info = Allocate(isolate, interface->Length());
   info->set_host_index(interface->Index());
   int i = 0;
   for (Interface::Iterator it = interface->iterator();
        !it.done(); it.Advance(), ++i) {
     Variable* var = scope->LookupLocal(it.name());
     info->set_name(i, *(it.name()->string()));
     info->set_mode(i, var->mode());
-    DCHECK((var->mode() == MODULE) == (it.interface()->IsModule()));
-    if (var->mode() == MODULE) {
-      DCHECK(it.interface()->IsFrozen());
-      DCHECK(it.interface()->Index() >= 0);
-      info->set_index(i, it.interface()->Index());
-    } else {
-      DCHECK(var->index() >= 0);
-      info->set_index(i, var->index());
-    }
+    DCHECK(var->index() >= 0);
+    info->set_index(i, var->index());
   }
   DCHECK(i == info->length());
   return info;
 }
 
 } }  // namespace v8::internal