[es6] Remove Scanner and Parser flags for harmony_modules

src/preparser.h

 // Copyright 2012 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.
 
 #ifndef V8_PREPARSER_H
 #define V8_PREPARSER_H
 
 #include "src/v8.h"
 
 #include "src/bailout-reason.h"
@@ skipping 112 matching lines @@
   ALLOW_ACCESSORS(harmony_computed_property_names);
   ALLOW_ACCESSORS(harmony_rest_parameters);
   ALLOW_ACCESSORS(harmony_spreadcalls);
   ALLOW_ACCESSORS(harmony_destructuring);
   ALLOW_ACCESSORS(harmony_spread_arrays);
   ALLOW_ACCESSORS(harmony_new_target);
   ALLOW_ACCESSORS(strong_mode);
   ALLOW_ACCESSORS(legacy_const);
 #undef ALLOW_ACCESSORS
 
-  bool allow_harmony_modules() const { return scanner()->HarmonyModules(); }
   bool allow_harmony_unicode() const { return scanner()->HarmonyUnicode(); }
 
-  void set_allow_harmony_modules(bool a) { scanner()->SetHarmonyModules(a); }
   void set_allow_harmony_unicode(bool a) { scanner()->SetHarmonyUnicode(a); }
 
  protected:
   enum AllowRestrictedIdentifiers {
     kAllowRestrictedIdentifiers,
     kDontAllowRestrictedIdentifiers
   };
 
   enum Mode {
     PARSE_LAZILY,
@@ skipping 159 matching lines @@
 
   Scope* NewScope(Scope* parent, ScopeType scope_type) {
     // Must always pass the function kind for FUNCTION_SCOPE and ARROW_SCOPE.
     DCHECK(scope_type != FUNCTION_SCOPE);
     DCHECK(scope_type != ARROW_SCOPE);
     return NewScope(parent, scope_type, kNormalFunction);
   }
 
   Scope* NewScope(Scope* parent, ScopeType scope_type, FunctionKind kind) {
     DCHECK(ast_value_factory());
-    DCHECK(scope_type != MODULE_SCOPE || allow_harmony_modules());
+    DCHECK(scope_type != MODULE_SCOPE || FLAG_harmony_modules);
     DCHECK(!IsArrowFunction(kind) || scope_type == ARROW_SCOPE);
     Scope* result = new (zone())
         Scope(zone(), parent, scope_type, ast_value_factory(), kind);
     result->Initialize();
     return result;
   }
 
   Scanner* scanner() const { return scanner_; }
   AstValueFactory* ast_value_factory() const { return ast_value_factory_; }
   int position() { return scanner_->location().beg_pos; }
@@ skipping 3685 matching lines @@
       *ok = false;
       return;
     }
     has_seen_constructor_ = true;
     return;
   }
 }
 } }  // v8::internal
 
 #endif  // V8_PREPARSER_H