PreParser cleanup: no need to track with-ness of scopes.

src/preparser.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 660 matching lines @@
   int length() const { return length_; }
  private:
   int length_;
 };
 
 
 class PreParserScope {
  public:
   explicit PreParserScope(PreParserScope* outer_scope, ScopeType scope_type)
       : scope_type_(scope_type) {
-    if (outer_scope) {
-      scope_inside_with_ = outer_scope->scope_inside_with_ || is_with_scope();
-      strict_mode_ = outer_scope->strict_mode();
-    } else {
-      scope_inside_with_ = is_with_scope();
-      strict_mode_ = SLOPPY;
-    }
-  }
-
-  bool is_with_scope() const { return scope_type_ == WITH_SCOPE; }
-  bool inside_with() const {
-    return scope_inside_with_;
+    strict_mode_ = outer_scope ? outer_scope->strict_mode() : SLOPPY;
   }
 
   ScopeType type() { return scope_type_; }
   StrictMode strict_mode() const { return strict_mode_; }
   void SetStrictMode(StrictMode strict_mode) { strict_mode_ = strict_mode; }
 
  private:
   ScopeType scope_type_;
-  bool scope_inside_with_;
   StrictMode strict_mode_;
 };
 
 
 class PreParserFactory {
  public:
   explicit PreParserFactory(void* extra_param) {}
   PreParserExpression NewLiteral(PreParserIdentifier identifier,
                                  int pos) {
     return PreParserExpression::Default();
@@ skipping 1450 matching lines @@
                                "accessor_get_set");
     }
     *ok = false;
   }
 }
 
 
 } }  // v8::internal
 
 #endif  // V8_PREPARSER_H