[ObjC ARC] Converts ios/chrome/browser/voice:tts to ARC.Automatically generated ARCMigrate commit…

ios/chrome/browser/voice/BUILD.gn

 # Copyright 2015 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.
 
 source_set("voice") {
   sources = [
     "speech_input_locale.h",
     "speech_input_locale_config.h",
     "speech_input_locale_config.mm",
     "speech_input_locale_config_impl.h",
@@ skipping 20 matching lines @@
   ]
 
   deps = [
     "//components/pref_registry",
     "//components/prefs",
     "//ios/public/provider/chrome/browser",
   ]
 }
 
 source_set("tts") {
+  configs += [ "//build/config/compiler:enable_arc" ]
   sources = [
     "text_to_speech_listener.h",
     "text_to_speech_listener.mm",
     "text_to_speech_parser.h",
     "text_to_speech_parser.mm",
     "voice_search_url_rewriter.h",
     "voice_search_url_rewriter.mm",
   ]
 
   deps = [
@@ skipping 24 matching lines @@
     "//ios/web",
     "//ios/web:test_support",
     "//testing/gtest",
     "//third_party/google_toolbox_for_mac",
   ]
 
   public_deps = [
     ":tts",
   ]
 }