aura: Remove WindowTreeHost::PostNativeEvent().

ui/aura/aura.gyp

 # Copyright (c) 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': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 173 matching lines @@
         'test/test_window_delegate.cc',
         'test/test_window_delegate.h',
         'test/ui_controls_factory_aura.h',
         'test/ui_controls_factory_aurawin.cc',
         'test/ui_controls_factory_aurax11.cc',
         'test/ui_controls_factory_ozone.cc',
         'test/window_event_dispatcher_test_api.cc',
         'test/window_event_dispatcher_test_api.h',
         'test/window_test_api.cc',
         'test/window_test_api.h',
+        'test/x11_event_sender.cc',
+        'test/x11_event_sender.h',
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
     {
       'target_name': 'aura_demo',
       'type': 'executable',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/base.gyp:base_i18n',
@@ skipping 97 matching lines @@
         ['OS=="linux" and use_allocator!="none"', {
           'dependencies': [
            # See http://crbug.com/162998#c4 for why this is needed.
             '../../base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
     },
   ],
 }