Remove dependency of infobars component on the embedder

ios/chrome/ios_chrome.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
    },
   'targets': [
     {
@@ skipping 12 matching lines @@
         '../../components/components.gyp:translate_core_browser',
         '../../net/net.gyp:net',
         '../../skia/skia.gyp:skia',
         '../../url/url.gyp:url_lib',
         '../provider/ios_provider_chrome.gyp:ios_provider_chrome_browser',
         '../web/ios_web.gyp:ios_web',
       ],
       'sources': [
         'browser/infobars/confirm_infobar_controller.h',
         'browser/infobars/confirm_infobar_controller.mm',
-        'browser/infobars/confirm_infobar_delegate.mm',
         'browser/infobars/infobar.h',
         'browser/infobars/infobar.mm',
         'browser/infobars/infobar_container_ios.h',
         'browser/infobars/infobar_container_ios.mm',
         'browser/infobars/infobar_container_view.h',
         'browser/infobars/infobar_container_view.mm',
         'browser/infobars/infobar_controller.h',
         'browser/infobars/infobar_controller.mm',
         'browser/net/image_fetcher.h',
         'browser/net/image_fetcher.mm',
         'browser/suggestions/image_fetcher_impl.h',
         'browser/suggestions/image_fetcher_impl.mm',
         'browser/suggestions/suggestions_service_factory.h',
         'browser/suggestions/suggestions_service_factory.mm',
       ],
     },
   ],
 }