Add WebView PlzNavigate related fixes to extensions_browsertests harness.

extensions/shell/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/features.gni")
 import("//build/config/ui.gni")
 import("//build/util/process_version.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 
@@ skipping 98 matching lines @@
     "browser/shell_extension_web_contents_observer.cc",
     "browser/shell_extension_web_contents_observer.h",
     "browser/shell_extensions_api_client.cc",
     "browser/shell_extensions_api_client.h",
     "browser/shell_extensions_browser_client.cc",
     "browser/shell_extensions_browser_client.h",
     "browser/shell_native_app_window.cc",
     "browser/shell_native_app_window.h",
     "browser/shell_native_app_window_mac.h",
     "browser/shell_native_app_window_mac.mm",
+    "browser/shell_navigation_ui_data.cc",
+    "browser/shell_navigation_ui_data.h",
     "browser/shell_network_controller_chromeos.cc",
     "browser/shell_network_controller_chromeos.h",
     "browser/shell_network_delegate.cc",
     "browser/shell_network_delegate.h",
     "browser/shell_oauth2_token_service.cc",
     "browser/shell_oauth2_token_service.h",
     "browser/shell_oauth2_token_service_delegate.cc",
     "browser/shell_oauth2_token_service_delegate.h",
     "browser/shell_prefs.cc",
     "browser/shell_prefs.h",
@@ skipping 217 matching lines @@
     "//extensions/browser",
   ]
 
   if (is_chromeos) {
     deps += [
       "//chromeos:test_support",
       "//components/keyed_service/content",
     ]
   }
 }