Remove symbol preparse data altogether.

src/scanner.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.
 
 // Features shared by parsing and pre-parsing scanners.
 
 #include <cmath>
 
 #include "scanner.h"
 
@@ skipping 1120 matching lines @@
 
 
 int Scanner::FindSymbol(DuplicateFinder* finder, int value) {
   if (is_literal_one_byte()) {
     return finder->AddOneByteSymbol(literal_one_byte_string(), value);
   }
   return finder->AddTwoByteSymbol(literal_two_byte_string(), value);
 }
 
 
-void Scanner::LogSymbol(ParserRecorder* log, int position) {
-  if (is_literal_one_byte()) {
-    log->LogOneByteSymbol(position, literal_one_byte_string());
-  } else {
-    log->LogTwoByteSymbol(position, literal_two_byte_string());
-  }
-}
-
-
 int DuplicateFinder::AddOneByteSymbol(Vector<const uint8_t> key, int value) {
   return AddSymbol(key, true, value);
 }
 
 
 int DuplicateFinder::AddTwoByteSymbol(Vector<const uint16_t> key, int value) {
   return AddSymbol(Vector<const uint8_t>::cast(key), false, value);
 }
 
 
@@ skipping 120 matching lines @@
     }
     backing_store_.Add(static_cast<uint8_t>((one_byte_length >> 7) | 0x80u));
   }
   backing_store_.Add(static_cast<uint8_t>(one_byte_length & 0x7f));
 
   backing_store_.AddBlock(bytes);
   return backing_store_.EndSequence().start();
 }
 
 } }  // namespace v8::internal