Enable CED HTML5 mode

third_party/ced/BUILD.gn

 # Copyright 2016 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("//testing/test.gni")
 
 config("ced_config") {
   include_dirs = [ "src" ]
 }
 
@@ skipping 46 matching lines @@
     defines = [ "COMPILER_MSVC" ]
     cflags = [
       "/wd4005",  # Macro defined twice.
       "/wd4006",  # #undef expected an identifier.
       "/wd4018",  # '<': signed/unsigned mismatch
       "/wd4309",  # Truncation of constant value.
     ]
   } else {
     defines = [ "COMPILER_GCC" ]
   }
+
+  defines += [ "HTML5_MODE" ]
 }
 
 test("ced_unittests") {
   sources = [
     "src/compact_enc_det/compact_enc_det_fuzz_test.cc",
     "src/compact_enc_det/compact_enc_det_unittest.cc",
     "src/compact_enc_det/detail_head_string.inc",
     "src/util/encodings/encodings_unittest.cc",
   ]
 
   configs += [ ":ced_config_private" ]
 
   if (is_win) {
     defines = [ "COMPILER_MSVC" ]
     cflags = [
       "/wd4310",  # Truncation of constant value.
       "/wd4267",  # size_t -> int
     ]
   } else {
     defines = [ "COMPILER_GCC" ]
   }
 
+  defines += [ "HTML5_MODE" ]
+
   deps = [
     ":ced",
     "//testing/gtest",
     "//testing/gtest:gtest_main",
   ]
 }