ui: Remove TouchStatus in favour of EventResult.

ui/ui.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,
   },
   'includes': [
     'ui_resources.gypi',
@@ skipping 141 matching lines @@
         'base/dragdrop/os_exchange_data.cc',
         'base/dragdrop/os_exchange_data.h',
         'base/dragdrop/os_exchange_data_provider_aura.cc',
         'base/dragdrop/os_exchange_data_provider_aura.h',
         'base/dragdrop/os_exchange_data_provider_gtk.cc',
         'base/dragdrop/os_exchange_data_provider_gtk.h',
         'base/dragdrop/os_exchange_data_provider_win.cc',
         'base/dragdrop/os_exchange_data_provider_win.h',
         'base/events/event.cc',
         'base/events/event.h',
-        'base/events/event_constants.cc',
         'base/events/event_constants.h',
         'base/events/event_dispatcher.cc',
         'base/events/event_dispatcher.h',
         'base/events/event_functions.cc',
         'base/events/event_functions.h',
         'base/events/event_handler.h',
         'base/events/event_target.cc',
         'base/events/event_target.h',
         'base/gestures/gesture_configuration.cc',
         'base/gestures/gesture_configuration.h',
@@ skipping 718 matching lines @@
            },
            'dependencies': [
              '../base/base.gyp:base_java',
            ],
            'includes': [ '../build/java.gypi' ],
          },
        ],
     }],
   ],
 }