Implement ui_controls for aura

ui/ui_unittests.gypi

 # Copyright (c) 2011 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': 'ui_test_support',
       'dependencies': [
         '../base/base.gyp:base',
@@ skipping 103 matching lines @@
               ],
             },
           },
           'link_settings': {
             'libraries': [
               '-limm32.lib',
               '-loleacc.lib',
             ],
           },
         }],
-        ['OS == "linux"', {
+        ['OS == "linux" and toolkit_views==1', {
           'sources': [
             'base/x/events_x_unittest.cc',
           ],
         }],
         ['OS != "mac"', {
           'sources': [
             'gfx/transform_unittest.cc',
             'gfx/interpolated_transform_unittest.cc',
           ],
         }],
@@ skipping 37 matching lines @@
         }],
         ['use_ibus != 1', {
           'sources/': [
             ['exclude', 'base/ime/character_composer_unittest.cc'],
           ],
         }],
       ],
     },
   ],
 }