Delete --harmony-unicode flag

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 <stdint.h>
 
 #include <cmath>
 
@@ skipping 22 matching lines @@
 bool Utf16CharacterStream::SetBookmark() { return false; }
 void Utf16CharacterStream::ResetToBookmark() { UNREACHABLE(); }
 
 
 // ----------------------------------------------------------------------------
 // Scanner
 
 Scanner::Scanner(UnicodeCache* unicode_cache)
     : unicode_cache_(unicode_cache),
       bookmark_c0_(kNoBookmark),
-      octal_pos_(Location::invalid()),
-      harmony_unicode_(false) {
+      octal_pos_(Location::invalid()) {
   bookmark_current_.literal_chars = &bookmark_current_literal_;
   bookmark_current_.raw_literal_chars = &bookmark_current_raw_literal_;
   bookmark_next_.literal_chars = &bookmark_next_literal_;
   bookmark_next_.raw_literal_chars = &bookmark_next_raw_literal_;
 }
 
 
 void Scanner::Initialize(Utf16CharacterStream* source) {
   source_ = source;
   // Need to capture identifiers in order to recognize "get" and "set"
@@ skipping 1013 matching lines @@
 uc32 Scanner::ScanIdentifierUnicodeEscape() {
   Advance();
   if (c0_ != 'u') return -1;
   Advance();
   return ScanUnicodeEscape<false>();
 }
 
 
 template <bool capture_raw>
 uc32 Scanner::ScanUnicodeEscape() {
-  // Accept both \uxxxx and \u{xxxxxx} (if harmony unicode escapes are
-  // allowed). In the latter case, the number of hex digits between { } is
-  // arbitrary. \ and u have already been read.
-  if (c0_ == '{' && HarmonyUnicode()) {
+  // Accept both \uxxxx and \u{xxxxxx}. In the latter case, the number of
+  // hex digits between { } is arbitrary. \ and u have already been read.
+  if (c0_ == '{') {
     Advance<capture_raw>();
     uc32 cp = ScanUnlimitedLengthHexNumber<capture_raw>(0x10ffff);
     if (cp < 0) {
       return -1;
     }
     if (c0_ != '}') {
       return -1;
     }
     Advance<capture_raw>();
     return cp;
@@ skipping 525 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 internal
 }  // namespace v8