Remove dependency of infobars component on the embedder

components/infobars.gypi

 # 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.
 
 {
   'targets': [
     {
       # GN version: //components/infobars/core
       'target_name': 'infobars_core',
       'type': 'static_library',
@@ skipping 19 matching lines @@
         'infobars/core/infobar_container.cc',
         'infobars/core/infobar_container.h',
         'infobars/core/infobar_delegate.cc',
         'infobars/core/infobar_delegate.h',
         'infobars/core/infobar_manager.cc',
         'infobars/core/infobar_manager.h',
         'infobars/core/infobars_switches.cc',
         'infobars/core/infobars_switches.h',
       ],
     },
-    {
-      # GN version: //components/infobars/test:test_support
-      'target_name': 'infobars_test_support',
-      'type': 'static_library',
-      'include_dirs': [
-        '..',
-      ],
-      'dependencies': [
-        '../base/base.gyp:base',
-        '../skia/skia.gyp:skia',
-      ],
-      'sources': [
-        # Note: sources list duplicated in GN build.
-        'infobars/test/infobar_test.cc',
-      ],
-    },
   ],
 }