Remove unneeded argument from Parser::GetSymbol

src/parser.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 749 matching lines @@
   Handle<String> NextLiteralString(PretenureFlag tenured) {
     if (scanner().is_next_literal_ascii()) {
       return isolate_->factory()->NewStringFromAscii(
           scanner().next_literal_ascii_string(), tenured);
     } else {
       return isolate_->factory()->NewStringFromTwoByte(
           scanner().next_literal_utf16_string(), tenured);
     }
   }
 
-  Handle<String> GetSymbol(bool* ok);
+  Handle<String> GetSymbol();
 
   // Get odd-ball literals.
   Literal* GetLiteralUndefined();
   Literal* GetLiteralTheHole();
 
   Handle<String> ParseIdentifier(bool* ok);
   Handle<String> ParseIdentifierOrStrictReservedWord(
       bool* is_strict_reserved, bool* ok);
   Handle<String> ParseIdentifierName(bool* ok);
   Handle<String> ParseIdentifierNameOrGetOrSet(bool* is_get,
@@ skipping 127 matching lines @@
  private:
   static const int kTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_