Update behavior of one-click infobar to remove modal dialog, add "undo".

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 1715 matching lines @@
         'browser/ui/intents/web_intent_picker_model_unittest.cc',
         'browser/ui/intents/web_intent_picker_unittest.cc',
         'browser/ui/intents/web_intents_model_unittest.cc',
         'browser/ui/login/login_prompt_unittest.cc',
         'browser/ui/omnibox/omnibox_view_unittest.cc',
         'browser/ui/panels/display_settings_provider_win_unittest.cc',
         'browser/ui/panels/panel_browser_window_cocoa_unittest.mm',
         'browser/ui/panels/panel_mouse_watcher_unittest.cc',
         'browser/ui/search_engines/keyword_editor_controller_unittest.cc',
         'browser/ui/select_file_dialog_unittest.cc',
+        'browser/ui/sync/one_click_signin_helper_unittest.cc',
         'browser/ui/tabs/dock_info_unittest.cc',
         'browser/ui/tabs/pinned_tab_codec_unittest.cc',
         'browser/ui/tabs/pinned_tab_service_unittest.cc',
         'browser/ui/tabs/pinned_tab_test_utils.cc',
         'browser/ui/tabs/tab_menu_model_unittest.cc',
         'browser/ui/tabs/tab_strip_model_unittest.cc',
         'browser/ui/tabs/tab_strip_selection_model_unittest.cc',
         'browser/ui/tabs/test_tab_strip_model_delegate.cc',
         'browser/ui/tabs/test_tab_strip_model_delegate.h',
         'browser/ui/tests/ui_gfx_image_unittest.cc',
@@ skipping 227 matching lines @@
         ['enable_background==0', {
           'sources/': [
             ['exclude', '^browser/background/'],
           ],
         }],
         ['enable_one_click_signin==0', {
           'sources!': [
             'browser/ui/cocoa/one_click_signin_bubble_controller_unittest.mm',
             'browser/ui/cocoa/one_click_signin_dialog_controller_unittest.mm',
             'browser/ui/gtk/one_click_signin_dialog_gtk_unittest.cc',
+            'browser/ui/sync/one_click_signin_helper_unittest.cc',
           ]
         }],
         ['enable_promo_resource_service==0', {
           'sources/': [
             ['exclude', '^browser/web_resource/promo_resource_service'],
           ],
         }],
         ['disable_nacl==1', {
           'sources!':[
             'nacl/nacl_ipc_adapter_unittest.cc',
@@ skipping 2628 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'
 }