Introduce ui.dll / libui.so for the component build.

ui/ui_views.gypi

 # Copyright (c) 2011 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': 'v2',
       'type': 'static_library',
       'dependencies': [
         '../skia/skia.gyp:skia',
         '../ui/base/strings/ui_strings.gyp:ui_strings',
-        'ui_gfx',
+        'ui',
       ],
       'sources': [
         'views/events/accelerator.cc',
         'views/events/accelerator.h',
         'views/events/context_menu_controller.h',
         'views/events/drag_controller.h',
         'views/events/event.cc',
         'views/events/event.h',
         'views/events/event_win.cc',
         'views/events/focus_event.cc',
@@ skipping 68 matching lines @@
         ['OS=="win"', {
           'sources': [
             'views/widget/widget.rc',
             'views/widget/widget_resource.h',
           ],
         }],
       ],
     },
   ],
 }