events: Create a separate platforms target.

ui/ui_unittests.gyp

 # Copyright 2013 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 141 matching lines @@
             ['use_allocator!="none"', {
                'dependencies': [
                  '../base/allocator/allocator.gyp:allocator',
                ],
             }],
           ],
         }],
         ['use_x11==1', {
           'dependencies': [
             '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
+            'events/platform/x11/x11_events_platform.gyp:x11_events_platform',
           ],
         }],
         ['OS=="android" or OS=="ios"', {
           'sources!': [
             'gfx/render_text_unittest.cc',
           ],
         }],
         ['OS!="win" or use_aura==0', {
           'sources!': [
             'base/view_prop_unittest.cc',
@@ skipping 12 matching lines @@
           ],
         }],
         ['use_aura==1 or toolkit_views==1',  {
           'sources': [
             'base/dragdrop/os_exchange_data_unittest.cc',
           ],
           'dependencies': [
             'events/events.gyp:events',
             'events/events.gyp:events_base',
             'events/events.gyp:events_test_support',
+            'events/platform/events_platform.gyp:events_platform',
           ],
         }],
         ['use_aura==1', {
           'sources!': [
             'base/dragdrop/os_exchange_data_win_unittest.cc',
             'gfx/screen_unittest.cc',
           ],
         }],
         ['use_ozone==1', {
           'dependencies': [
@@ skipping 61 matching lines @@
           ],
           'variables': {
             'test_suite_name': 'ui_unittests',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }