[parser] Delete misplaced const.

src/parsing/parser.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_PARSING_PARSER_H_
 #define V8_PARSING_PARSER_H_
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/base/compiler-specific.h"
@@ skipping 188 matching lines @@
 class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
  public:
   explicit Parser(ParseInfo* info);
   ~Parser() {
     delete reusable_preparser_;
     reusable_preparser_ = NULL;
     delete cached_parse_data_;
     cached_parse_data_ = NULL;
   }
 
-  static bool const IsPreParser() { return false; }
+  static bool IsPreParser() { return false; }
 
   void ParseOnBackground(ParseInfo* info);
 
   // Deserialize the scope chain prior to parsing in which the script is going
   // to be executed. If the script is a top-level script, or the scope chain
   // consists of only a native context, maybe_outer_scope_info should be an
   // empty handle.
   //
   // This only deserializes the scope chain, but doesn't connect the scopes to
   // their corresponding scope infos. Therefore, looking up variables in the
@@ skipping 1010 matching lines @@
 
  private:
   ParserTarget** variable_;
   ParserTarget* previous_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_H_