Move elide_url to its own component

chrome/chrome_tests_unit.gypi

 # Copyright 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': {
     'chrome_unit_tests_sources': [
       # histograms.xml is analyzed by AboutFlagsHistogramTest, so this
       # dependency is needed to make commit bots run unit_tests on
       # histograms.xml changes.
       '../tools/metrics/histograms/histograms.xml',
@@ skipping 1529 matching lines @@
       'browser/ui/autofill/test_generated_credit_card_bubble_view.h',
       'browser/ui/bookmarks/bookmark_context_menu_controller_unittest.cc',
       'browser/ui/bookmarks/bookmark_unittest.cc',
       'browser/ui/browser_close_unittest.cc',
       'browser/ui/browser_command_controller_unittest.cc',
       'browser/ui/browser_instant_controller_unittest.cc',
       'browser/ui/browser_iterator_unittest.cc',
       'browser/ui/cocoa/autofill/new_credit_card_bubble_cocoa_unittest.mm',
       'browser/ui/content_settings/content_setting_bubble_model_unittest.cc',
       'browser/ui/content_settings/content_setting_image_model_unittest.cc',
-      'browser/ui/elide_url_unittest.cc',  # URL elider not used on Android.
       'browser/ui/exclusive_access/fullscreen_controller_state_unittest.cc',
       'browser/ui/extensions/extension_action_view_controller_unittest.cc',
       'browser/ui/omnibox/omnibox_controller_unittest.cc',
       'browser/ui/omnibox/omnibox_edit_unittest.cc',
       'browser/ui/omnibox/omnibox_popup_model_unittest.cc',
       'browser/ui/omnibox/omnibox_view_unittest.cc',
       'browser/ui/panels/panel_mouse_watcher_unittest.cc',
       'browser/ui/search/instant_page_unittest.cc',
       'browser/ui/search/instant_search_prerenderer_unittest.cc',
       'browser/ui/search/search_delegate_unittest.cc',
@@ skipping 1342 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }