Convert OSX intent picker unit tests to PlatformTests.

chrome/chrome_tests.gypi

 # Copyright (c) 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 1888 matching lines @@
         'browser/ui/cocoa/tabs/throbber_view_unittest.mm',
         'browser/ui/cocoa/task_manager_mac_unittest.mm',
         'browser/ui/cocoa/toolbar/reload_button_unittest.mm',
         'browser/ui/cocoa/toolbar/toolbar_button_unittest.mm',
         'browser/ui/cocoa/toolbar/toolbar_controller_unittest.mm',
         'browser/ui/cocoa/toolbar/toolbar_view_unittest.mm',
         'browser/ui/cocoa/tracking_area_unittest.mm',
         'browser/ui/cocoa/vertical_gradient_view_unittest.mm',
         'browser/ui/cocoa/view_resizer_pong.h',
         'browser/ui/cocoa/view_resizer_pong.mm',
-        'browser/ui/cocoa/web_intent_picker_test_base.h',
-        'browser/ui/cocoa/web_intent_picker_test_base.mm',
         'browser/ui/cocoa/web_intent_sheet_controller_unittest.mm',
         'browser/ui/cocoa/window_size_autosaver_unittest.mm',
         'browser/ui/cocoa/wrench_menu/menu_tracked_root_view_unittest.mm',
         'browser/ui/cocoa/wrench_menu/wrench_menu_button_cell_unittest.mm',
         'browser/ui/cocoa/wrench_menu/wrench_menu_controller_unittest.mm',
         'browser/ui/constrained_window_tab_helper_unittest.cc',
         'browser/ui/content_settings/content_setting_bubble_model_unittest.cc',
         'browser/ui/content_settings/content_setting_image_model_unittest.cc',
         'browser/ui/find_bar/find_backend_unittest.cc',
         'browser/ui/global_error_service_unittest.cc',
@@ skipping 1011 matching lines @@
         'browser/ui/browser_browsertest.cc',
         'browser/ui/browser_close_browsertest.cc',
         'browser/ui/browser_init_browsertest.cc',
         'browser/ui/browser_navigator_browsertest.cc',
         'browser/ui/browser_navigator_browsertest.h',
         'browser/ui/browser_navigator_browsertest_chromeos.cc',
         'browser/ui/cocoa/content_settings/content_setting_bubble_cocoa_unittest.mm',
         'browser/ui/cocoa/view_id_util_browsertest.mm',
         'browser/ui/cocoa/applescript/browsercrapplication+applescript_test.mm',
         'browser/ui/cocoa/applescript/window_applescript_test.mm',
-        'browser/ui/cocoa/web_intent_picker_test_base.h',
-        'browser/ui/cocoa/web_intent_picker_test_base.mm',
         'browser/ui/cocoa/web_intent_sheet_controller_browsertest.mm',
         'browser/ui/find_bar/find_bar_host_browsertest.cc',
         'browser/ui/global_error_service_browsertest.cc',
         'browser/ui/gtk/one_click_signin_bubble_gtk_browsertest.cc',
         'browser/ui/gtk/view_id_util_browsertest.cc',
         'browser/ui/intents/web_intent_picker_controller_browsertest.cc',
         'browser/ui/login/login_prompt_browsertest.cc',
         'browser/ui/panels/panel_app_browsertest.cc',
         'browser/ui/panels/panel_browser_view_browsertest.cc',
         'browser/ui/prefs/prefs_tab_helper_browsertest.cc',
@@ skipping 1746 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }