Removed NOTIFICATION_BROWSER_CLOSING notification

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 2485 matching lines @@
         # should be a dependency on the stubs instead because it could be all
         # tests might want them. Or it could be that we need to make a new
         # "headers" target to make GN check happy, and then force each
         # executable to link the correct implementation. Somebody with a
         # higher-level understanding of Mac crash reporting needs to think
         # about this.
         # "//components/crash/content/app:breakpad_stubs",
         "//third_party/ocmock",
       ]
       sources += [
+        "../browser/browser_shutdown_browsertest.cc",

[Alexey Seren, 2017/04/22 19:52:54]

Currently shutdown by windows closing can be detected only on Mac OS. So I have
moved the test to the "is_mac" section

         "../browser/renderer_host/chrome_render_widget_host_view_mac_history_swiper_browsertest.mm",
         "../browser/spellchecker/spellcheck_message_filter_platform_mac_browsertest.cc",
         "../browser/ui/cocoa/applescript/bookmark_applescript_utils_test.h",
         "../browser/ui/cocoa/applescript/bookmark_applescript_utils_test.mm",
         "../browser/ui/cocoa/applescript/bookmark_folder_applescript_browsertest.mm",
         "../browser/ui/cocoa/applescript/bookmark_item_applescript_browsertest.mm",
         "../browser/ui/cocoa/applescript/browsercrapplication+applescript_test.mm",
         "../browser/ui/cocoa/applescript/window_applescript_test.mm",
         "../browser/ui/cocoa/certificate_viewer_mac_browsertest.mm",
       ]
@@ skipping 2705 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }