ui: Have shell_dialogs into its own gyp file under its shell_dialogs/ directory.

ui/keyboard/keyboard.gyp

 # Copyright (c) 2013 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': [
     {
@@ skipping 68 matching lines @@
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/base.gyp:test_support_base',
         '../../content/content.gyp:content',
         '../../skia/skia.gyp:skia',
         '../../testing/gtest.gyp:gtest',
         '../aura/aura.gyp:aura',
         '../aura/aura.gyp:aura_test_support',
         '../compositor/compositor.gyp:compositor',
         '../gfx/gfx.gyp:gfx',
-        '../ui.gyp:run_ui_unittests',
         '../ui.gyp:ui',
+        '../ui_unittests.gyp:run_ui_unittests',
         'keyboard',
       ],
       'sources': [
         'keyboard_controller_unittest.cc',
         'keyboard_test_suite.cc',
       ],
       'conditions': [
         ['OS=="linux" and linux_use_tcmalloc==1', {
           'dependencies': [
             '<(DEPTH)/base/allocator/allocator.gyp:allocator',
           ],
           'link_settings': {
             'ldflags': ['-rdynamic'],
           },
         }],
       ],
     },
   ],
 }