Deprecate the StickyDefaultBrowserPrompt experiment

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 4186 matching lines @@
       "../browser/password_manager/native_backend_kwallet_x_unittest.cc",
       "../browser/shell_integration_linux_unittest.cc",
       "../browser/ui/input_method/input_method_engine_unittest.cc",
     ]
   }
   if (!is_android && !is_chromeos) {
     sources += [
       "../browser/net/disk_cache_dir_policy_handler_unittest.cc",
       "//chrome/browser/profiles/profile_list_desktop_unittest.cc",
       "//chrome/browser/profiles/profile_statistics_unittest.cc",
-      "//chrome/browser/ui/startup/default_browser_infobar_delegate_unittest.cc",
       "//chrome/browser/ui/startup/startup_browser_creator_impl_unittest.cc",
       "//chrome/browser/ui/startup/startup_tab_provider_unittest.cc",
     ]
   }
   if (use_gio) {
     deps += [ "//build/linux/libgio" ]
   }
   if (!is_chromeos && !use_ozone && is_linux) {
     deps += [ "//chrome/browser/ui/libgtkui" ]
   }
@@ skipping 963 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }