Move about:net-internals webui files into a subdirectory + OWNERS

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 2684 matching lines @@
         'browser/ui/views/browser_actions_container_browsertest.cc',
         'browser/ui/views/dom_view_browsertest.cc',
         'browser/ui/views/html_dialog_view_browsertest.cc',
         'browser/ui/views/select_file_dialog_extension_browsertest.cc',
         'browser/ui/views/status_icons/status_tray_chromeos_browsertest.cc',
         'browser/ui/webui/chrome_url_data_manager_browsertest.cc',
         'browser/ui/webui/ntp/most_visited_browsertest.cc',
         'browser/ui/webui/test_chrome_web_ui_factory_browsertest.cc',
         'browser/ui/webui/bidi_checker_web_ui_test.cc',
         'browser/ui/webui/bidi_checker_web_ui_test.h',
-        'browser/ui/webui/net_internals_ui_browsertest.cc',
+        'browser/ui/webui/net_internals/net_internals_ui_browsertest.cc',
         'browser/ui/webui/ntp/new_tab_ui_browsertest.cc',
         'browser/ui/webui/options/advanced_options_browsertest.js',
         'browser/ui/webui/options/autofill_options_browsertest.js',
         'browser/ui/webui/options/browser_options_browsertest.js',
         'browser/ui/webui/options/certificate_manager_browsertest.js',
         'browser/ui/webui/options/content_options_browsertest.js',
         'browser/ui/webui/options/content_settings_exception_area_browsertest.js',
         'browser/ui/webui/options/cookies_view_browsertest.js',
         'browser/ui/webui/options/font_settings_browsertest.js',
         'browser/ui/webui/options/language_options_browsertest.js',
@@ skipping 1832 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'
 }