Revert of views: Move TOOLKIT_VIEWS definition in //ui/views/ from root.

chrome/chrome_tests_unit.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_unit_tests_sources': [
       '../components/autofill/content/renderer/test_password_autofill_agent.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.h',
       '../components/autofill/content/renderer/test_password_generation_agent.cc',
       '../components/autofill/content/renderer/test_password_generation_agent.h',
@@ skipping 2069 matching lines @@
         ['enable_plugins==1 and disable_nacl==0', {
           'dependencies': [
             '<(DEPTH)/components/nacl/renderer/plugin/plugin.gyp:nacl_trusted_plugin',
           ],
         }],
         ['remoting==1', {
           'dependencies': [
             '../remoting/remoting.gyp:remoting_client_plugin',
           ],
         }],
-        ['toolkit_views==1', {
-          'dependencies': [
-            '../ui/views/views.gyp:views',
-          ],
-        }],
       ],
     },
     {
       # GN version: //chrome/test:test_support_unit
       'target_name': 'test_support_unit',
       'type': 'static_library',
       'dependencies': [
         'chrome_resources.gyp:chrome_resources',
         'chrome_resources.gyp:chrome_strings',
         'browser',
@@ skipping 746 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }