Restructure the events target into two components:

ui/compositor/compositor.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': 'compositor',
       'type': '<(component)',
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '<(DEPTH)/cc/cc.gyp:cc',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/third_party/WebKit/public/blink.gyp:blink_minimal',
-        '<(DEPTH)/ui/events/events.gyp:events',
         '<(DEPTH)/ui/gfx/gfx.gyp:gfx',
         '<(DEPTH)/ui/gl/gl.gyp:gl',
       ],
       'defines': [
         'COMPOSITOR_IMPLEMENTATION',
       ],
       'sources': [
         'compositor.cc',
         'compositor.h',
         'compositor_export.h',
@@ skipping 43 matching lines @@
     },
     {
       'target_name': 'compositor_test_support',
       'type': 'static_library',
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/cc/cc.gyp:cc',
         '<(DEPTH)/cc/cc_tests.gyp:cc_test_support',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/third_party/WebKit/public/blink.gyp:blink_minimal',
-        '<(DEPTH)/ui/events/events.gyp:events',
         '<(DEPTH)/ui/gfx/gfx.gyp:gfx',
         '<(DEPTH)/ui/gl/gl.gyp:gl',
         '<(DEPTH)/ui/ui.gyp:ui',
         '<(DEPTH)/webkit/common/gpu/webkit_gpu.gyp:webkit_gpu',
         'compositor',
       ],
       'sources': [
         'test/test_layers.cc',
         'test/test_layers.h',
         'test/test_context_factory.cc',
         'test/test_context_factory.h',
         'test/default_context_factory.cc',
         'test/default_context_factory.h',
         'test/context_factories_for_test.cc',
         'test/context_factories_for_test.h',
         'test/test_suite.cc',
         'test/test_suite.h',
       ],
     },
     {
       'target_name': 'compositor_unittests',
       'type': 'executable',
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/base/base.gyp:test_support_base',
         '<(DEPTH)/cc/cc.gyp:cc',
         '<(DEPTH)/cc/cc_tests.gyp:cc_test_support',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/testing/gtest.gyp:gtest',
-        '<(DEPTH)/ui/events/events.gyp:events',
         '<(DEPTH)/ui/gfx/gfx.gyp:gfx',
         '<(DEPTH)/ui/gl/gl.gyp:gl',
         '<(DEPTH)/ui/ui.gyp:ui',
         '<(DEPTH)/ui/ui.gyp:ui_resources',
         'compositor',
         'compositor_test_support',
       ],
       'sources': [
         'layer_animation_element_unittest.cc',
         'layer_animation_sequence_unittest.cc',
@@ skipping 28 matching lines @@
               'dependencies': [
                 '<(DEPTH)/base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         }],
       ],
     },
   ],
 }