Restructure the events target into two components:

chrome/chrome_browser.gypi

 # Copyright 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 42 matching lines @@
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation_proto_cpp',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/libjingle/libjingle.gyp:libjingle',
         '../third_party/libxml/libxml.gyp:libxml',
         '../third_party/widevine/cdm/widevine_cdm.gyp:widevine_cdm_version_h',
         '../third_party/zlib/google/zip.gyp:zip',
         '../third_party/zlib/zlib.gyp:minizip',
         '../third_party/zlib/zlib.gyp:zlib',
         '../ui/base/strings/ui_strings.gyp:ui_strings',
-        '../ui/events/events.gyp:events',
+        '../ui/events/events.gyp:events_base',
         '../ui/gfx/gfx.gyp:gfx',
         '../ui/message_center/message_center.gyp:message_center',
         '../ui/shell_dialogs/shell_dialogs.gyp:shell_dialogs',
         '../ui/ui.gyp:ui',
         '../ui/ui.gyp:ui_resources',
         '../webkit/common/user_agent/webkit_user_agent.gyp:user_agent',
       ],
       'include_dirs': [
         '..',
         '<(INTERMEDIATE_DIR)',
@@ skipping 3663 matching lines @@
             'package_name': 'org/chromium/chrome/browser/ui/toolbar',
             'template_deps': ['browser/ui/toolbar/toolbar_model_security_level_list.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }