Fixes ungraceful handling of destroyed GlobalError GlobalErrorBubbleView.

chrome/test/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 3336 matching lines @@
     "../browser/ui/find_bar/find_backend_unittest.cc",
     "../browser/ui/login/login_handler_unittest.cc",
     "../browser/ui/passwords/manage_passwords_state_unittest.cc",
     "../browser/ui/passwords/manage_passwords_view_utils_unittest.cc",
     "../browser/ui/passwords/password_manager_presenter_unittest.cc",
     "../browser/ui/search_engines/keyword_editor_controller_unittest.cc",
     "../browser/ui/sync/profile_signin_confirmation_helper_unittest.cc",
     "../browser/ui/sync/sync_promo_ui_unittest.cc",
     "../browser/ui/tests/ui_gfx_image_unittest.cc",
     "../browser/ui/tests/ui_gfx_image_unittest.mm",
+    "../browser/ui/views/global_error_bubble_view_unittest.cc",
     "../browser/ui/website_settings/mock_permission_prompt.cc",
     "../browser/ui/website_settings/mock_permission_prompt.h",
     "../browser/ui/website_settings/mock_permission_prompt_factory.cc",
     "../browser/ui/website_settings/mock_permission_prompt_factory.h",
     "../browser/ui/website_settings/website_settings_unittest.cc",
     "../browser/ui/webui/browsing_history_handler_unittest.cc",
     "../browser/ui/webui/fileicon_source_unittest.cc",
     "../browser/ui/webui/local_state/local_state_ui_unittest.cc",
     "../browser/ui/webui/log_web_ui_url_unittest.cc",
     "../browser/update_client/chrome_update_query_params_delegate_unittest.cc",
@@ skipping 1763 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }