Add unit tests for DesktopMediaPickerViews.

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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 1754 matching lines @@
         'browser/ui/views/bookmarks/bookmark_bar_view_unittest.cc',
         'browser/ui/views/bookmarks/bookmark_bubble_view_unittest.cc',
         'browser/ui/views/bookmarks/bookmark_bubble_view_unittest.cc',
         'browser/ui/views/bookmarks/bookmark_context_menu_unittest.cc',
         'browser/ui/views/bookmarks/bookmark_editor_view_unittest.cc',
         'browser/ui/views/bookmarks/bookmark_menu_delegate_unittest.cc',
         'browser/ui/views/bookmarks/bookmark_sync_promo_view_unittest.cc',
         'browser/ui/views/confirm_bubble_views_unittest.cc',
         'browser/ui/views/constrained_window_views_unittest.cc',
         'browser/ui/views/crypto_module_password_dialog_view_unittest.cc',
+        'browser/ui/views/desktop_media_picker_views_unittest.cc',
         'browser/ui/views/extensions/browser_action_drag_data_unittest.cc',
         'browser/ui/views/extensions/media_galleries_dialog_views_unittest.cc',
         'browser/ui/views/first_run_bubble_unittest.cc',
         'browser/ui/views/frame/browser_view_layout_unittest.cc',
         'browser/ui/views/frame/browser_view_unittest.cc',
         'browser/ui/views/frame/immersive_mode_controller_ash_unittest.cc',
         'browser/ui/views/frame/opaque_browser_frame_view_layout_unittest.cc',
         'browser/ui/views/frame/test_with_browser_view.cc',
         'browser/ui/views/frame/test_with_browser_view.h',
         'browser/ui/views/frame/web_contents_close_handler_unittest.cc',
@@ skipping 1132 matching lines @@
             'unit_tests.isolate',
           ],
           'sources': [
             'unit_tests.isolate',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }