Restructure the events target into two components:

ui/views/views.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,
   },
   'target_defaults': {
     'conditions': [
       ['use_aura==1', {
@@ skipping 13 matching lines @@
         '../../base/base.gyp:base',
         '../../base/base.gyp:base_i18n',
         '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../../skia/skia.gyp:skia',
         '../../third_party/icu/icu.gyp:icui18n',
         '../../third_party/icu/icu.gyp:icuuc',
         '../../url/url.gyp:url_lib',
         '../base/strings/ui_strings.gyp:ui_strings',
         '../compositor/compositor.gyp:compositor',
         '../events/events.gyp:events',
+        '../events/events.gyp:events_base',
         '../gfx/gfx.gyp:gfx',
         '../native_theme/native_theme.gyp:native_theme',
         '../ui.gyp:ui',
         '../ui.gyp:ui_resources',
       ],
       'defines': [
         'VIEWS_IMPLEMENTATION',
       ],
       'sources': [
         # All .cc, .h under views, except unittests
@@ skipping 1063 matching lines @@
           'sources/': [
             # This is needed because the aura rule strips it from the default
             # sources list.
             ['include', '^../../content/app/startup_helper_win.cc'],
           ],
         }],
       ],
     },  # target_name: views_examples_with_content_exe
   ],
 }