Use ICU for ID_START and ID_CONTINUE for Unicode 9 data

BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/dcheck_always_on.gni")
 import("//build/config/host_byteorder.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
@@ skipping 2446 matching lines @@
   if (v8_enable_i18n_support) {
     public_deps = [
       "//third_party/icu",
     ]
     if (is_win) {
       deps += [ "//third_party/icu:icudata" ]
     }
   } else {
     sources -= [
       "src/builtins/builtins-intl.cc",
+      "src/char-predicates.cc",
       "src/intl.cc",
       "src/intl.h",
       "src/objects/intl-objects.cc",
       "src/objects/intl-objects.h",
       "src/runtime/runtime-intl.cc",
     ]
   }
 
   if (v8_postmortem_support) {
     sources += [ "$target_gen_dir/debug-support.cc" ]
@@ skipping 861 matching lines @@
   ]
 
   configs = [
     ":external_config",
     ":internal_config_base",
   ]
 }
 
 v8_fuzzer("wasm_compile_fuzzer") {
 }