Remove MediaSettingChangedInfobar and show latest state in bubble

chrome/chrome_browser_ui.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.
 
 {
   'variables': {
     'chrome_browser_ui_non_ios_sources': [
       'browser/ui/accelerator_utils.h',
       'browser/ui/android/android_about_app_info.cc',
       'browser/ui/android/android_about_app_info.h',
@@ skipping 1399 matching lines @@
       'browser/ui/collected_cookies_infobar_delegate.h',
       'browser/ui/confirm_bubble_model.cc',
       'browser/ui/confirm_bubble_model.h',
       'browser/ui/content_settings/content_setting_bubble_model.cc',
       'browser/ui/content_settings/content_setting_bubble_model.h',
       'browser/ui/content_settings/content_setting_bubble_model_delegate.h',
       'browser/ui/content_settings/content_setting_image_model.cc',
       'browser/ui/content_settings/content_setting_image_model.h',
       'browser/ui/content_settings/content_setting_media_menu_model.cc',
       'browser/ui/content_settings/content_setting_media_menu_model.h',
-      'browser/ui/content_settings/media_setting_changed_infobar_delegate.cc',
-      'browser/ui/content_settings/media_setting_changed_infobar_delegate.h',
       'browser/ui/elide_url.cc',
       'browser/ui/elide_url.h',
       'browser/ui/extensions/application_launch.cc',
       'browser/ui/extensions/application_launch.h',
       'browser/ui/extensions/extension_install_ui_default.cc',
       'browser/ui/extensions/extension_install_ui_default.h',
       'browser/ui/fast_unload_controller.cc',
       'browser/ui/fast_unload_controller.h',
       'browser/ui/find_bar/find_bar_controller.cc',
       'browser/ui/find_bar/find_bar_controller.h',
@@ skipping 1541 matching lines @@
         }],
         ['OS!="android" and OS!="ios"', {
           'dependencies': [
             '../device/bluetooth/bluetooth.gyp:device_bluetooth',
           ],
         }],
       ],
     },
   ],
 }