Automatically trigger installation of high-quality speech synthesis extension.

chrome/chrome_browser.gypi

 # Copyright 2012 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 2073 matching lines @@
         'browser/speech/extension_api/tts_extension_api_constants.h',
         'browser/speech/speech_recognition_bubble.cc',
         'browser/speech/speech_recognition_bubble.h',
         'browser/speech/speech_recognition_bubble_controller.cc',
         'browser/speech/speech_recognition_bubble_controller.h',
         'browser/speech/tts_android.cc',
         'browser/speech/tts_android.h',
         'browser/speech/tts_chromeos.cc',
         'browser/speech/tts_controller.cc',
         'browser/speech/tts_controller.h',
-        'browser/speech/tts_extension_loader_chromeos.cc',
-        'browser/speech/tts_extension_loader_chromeos.h',
         'browser/speech/tts_linux.cc',
         'browser/speech/tts_mac.mm',
         'browser/speech/tts_platform.cc',
         'browser/speech/tts_platform.h',
         'browser/speech/tts_message_filter.cc',
         'browser/speech/tts_message_filter.h',
         'browser/speech/tts_win.cc',
         'browser/spellchecker/feedback.cc',
         'browser/spellchecker/feedback.h',
         'browser/spellchecker/feedback_sender.cc',
@@ skipping 1627 matching lines @@
             'package_name': 'org/chromium/chrome/browser/ui/toolbar',
             'template_deps': ['browser/ui/toolbar/toolbar_model_security_level_list.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }