Implement handlified String::Equals and Name::Equals.

src/scanner.cc

 // Copyright 2011 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 1124 matching lines @@
   } else {
     return isolate->factory()->InternalizeTwoByteString(
         literal_two_byte_string());
   }
 }
 
 
 double Scanner::DoubleValue() {
   ASSERT(is_literal_one_byte());
   return StringToDouble(
-      unicode_cache_, Vector<const char>::cast(literal_one_byte_string()),
+      unicode_cache_,
+      literal_one_byte_string(),
       ALLOW_HEX | ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL | ALLOW_BINARY);
 }
 
 
 int Scanner::FindNumber(DuplicateFinder* finder, int value) {
   return finder->AddNumber(literal_one_byte_string(), value);
 }
 
 
 int Scanner::FindSymbol(DuplicateFinder* finder, int value) {
@@ skipping 38 matching lines @@
 
 int DuplicateFinder::AddNumber(Vector<const uint8_t> key, int value) {
   ASSERT(key.length() > 0);
   // Quick check for already being in canonical form.
   if (IsNumberCanonical(key)) {
     return AddOneByteSymbol(key, value);
   }
 
   int flags = ALLOW_HEX | ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL | ALLOW_BINARY;
   double double_value = StringToDouble(
-      unicode_constants_, Vector<const char>::cast(key), flags, 0.0);
+      unicode_constants_, key, flags, 0.0);
   int length;
   const char* string;
   if (!std::isfinite(double_value)) {
     string = "Infinity";
     length = 8;  // strlen("Infinity");
   } else {
     string = DoubleToCString(double_value,
                              Vector<char>(number_buffer_, kBufferSize));
     length = StrLength(string);
   }
@@ skipping 87 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