Base: Switch base_i18n to be a separate dll (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',
+        '../third_party/icu/icu.gyp:icui18n',
+        '../third_party/icu/icu.gyp:icuuc',
         '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',
@@ skipping 101 matching lines @@
         }],
         ['toolkit_views==1', {
           'sources': [
             'gfx/render_text_unittest.cc',
           ],
         }],
       ],
     },
   ],
 }