Restructure the events target into two components:

ui/app_list/app_list.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': [
     {
       'target_name': 'app_list',
       'type': '<(component)',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/base.gyp:base_i18n',
         '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../../skia/skia.gyp:skia',
         '../base/strings/ui_strings.gyp:ui_strings',
         '../compositor/compositor.gyp:compositor',
-        '../events/events.gyp:events',
         '../gfx/gfx.gyp:gfx',
         '../ui.gyp:ui',
         '../ui.gyp:ui_resources',
       ],
       'defines': [
         'APP_LIST_IMPLEMENTATION',
       ],
       'sources': [
         'app_list_constants.cc',
         'app_list_constants.h',
@@ skipping 95 matching lines @@
       'conditions': [
         ['use_aura==1', {
           'dependencies': [
             '../aura/aura.gyp:aura',
           ],
         }],
         ['toolkit_views==1', {
           'dependencies': [
             '../../content/content.gyp:content',
             '../../content/content.gyp:content_browser',
+            '../events/events.gyp:events',
             '../views/controls/webview/webview.gyp:webview',
             '../views/views.gyp:views',
           ],
         }, {  # toolkit_views==0
           'sources/': [
             ['exclude', 'views/'],
           ],
         }],
         ['OS=="mac"', {
           'dependencies': [
@@ skipping 100 matching lines @@
           'dependencies': [
             '../../base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
   ],
 }