[Aura] Support additonal event filters in DesktopEventFilter.

ui/aura/aura.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 51 matching lines @@
         'aura',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'test/aura_test_base.cc',
         'test/aura_test_base.h',
         'test/event_generator.cc',
         'test/event_generator.h',
+        'test/test_event_filter.cc',
+        'test/test_event_filter.h',
         'test/test_stacking_client.cc',
         'test/test_stacking_client.h',
         'test/test_windows.cc',
         'test/test_windows.h',
         'test/test_window_delegate.cc',
         'test/test_window_delegate.h',
       ],
     },
     {
       'target_name': 'aura_demo',
@@ skipping 54 matching lines @@
       'conditions': [
         ['OS=="linux"', {
           'dependencies': [
             '<(DEPTH)/third_party/mesa/mesa.gyp:osmesa',
           ],
         }],
       ],
     },
   ],
 }