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

ui/ui_unittests.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': 'ui_unittests',
       'type': 'executable',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:test_support_base',
+        '../build/temp_gyp/googleurl.gyp:googleurl',
         '../skia/skia.gyp:skia',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
-        'ui_base',
-        'ui_gfx',
+        'ui',
         'gfx_resources',
       ],
       'sources': [
         'base/animation/animation_container_unittest.cc',
         'base/animation/animation_unittest.cc',
         'base/animation/multi_animation_unittest.cc',
         'base/animation/slide_animation_unittest.cc',
         'base/clipboard/clipboard_unittest.cc',
         'base/gtk/gtk_im_context_util_unittest.cc',
         'base/l10n/l10n_util_mac_unittest.mm',
@@ skipping 95 matching lines @@
                'dependencies': [
                  '../base/allocator/allocator.gyp:allocator',
                ],
             }],
           ],
         }],
       ],
     },
   ],
 }