Android: Remove more browser extensions code, including some that snuck back in.

chrome/chrome_browser.gypi

 # Copyright 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': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 374 matching lines @@
       'browser/download/download_target_determiner.h',
       'browser/download/download_target_determiner_delegate.h',
       'browser/download/download_target_info.h',
       'browser/download/download_ui_controller.cc',
       'browser/download/download_ui_controller.h',
       'browser/download/drag_download_item.h',
       'browser/download/save_package_file_picker.cc',
       'browser/download/save_package_file_picker.h',
       'browser/enumerate_modules_model_win.cc',
       'browser/enumerate_modules_model_win.h',
-      'browser/extensions/signin/gaia_auth_extension_loader.cc',
-      'browser/extensions/signin/gaia_auth_extension_loader.h',
-      'browser/extensions/signin/scoped_gaia_auth_extension.cc',
-      'browser/extensions/signin/scoped_gaia_auth_extension.h',
-      'browser/extensions/token_cache/token_cache_service.cc',
-      'browser/extensions/token_cache/token_cache_service.h',
-      'browser/extensions/token_cache/token_cache_service_factory.cc',
-      'browser/extensions/token_cache/token_cache_service_factory.h',
+      # Oh hey, all the cool browser/extensions files are hanging out in
+      # chrome/chrome_browser_extensions.gypi.
       'browser/external_protocol/external_protocol_handler.cc',
       'browser/external_protocol/external_protocol_handler.h',
       'browser/favicon/chrome_favicon_client.cc',
       'browser/favicon/chrome_favicon_client.h',
       'browser/favicon/chrome_favicon_client_factory.cc',
       'browser/favicon/chrome_favicon_client_factory.h',
       'browser/favicon/favicon_changed_details.cc',
       'browser/favicon/favicon_changed_details.h',
       'browser/favicon/favicon_handler.cc',
       'browser/favicon/favicon_handler.h',
@@ skipping 964 matching lines @@
       'browser/translate/translate_accept_languages_factory.h',
       'browser/translate/translate_service.cc',
       'browser/translate/translate_service.h',
       'browser/undo/bookmark_renumber_observer.h',
       'browser/undo/undo_manager_observer.h',
       'browser/undo/undo_operation.h',
       'browser/upgrade_detector.cc',
       'browser/upgrade_detector.h',
       'browser/upload_list.cc',
       'browser/upload_list.h',
-      'browser/web_applications/update_shortcut_worker_win.cc',
-      'browser/web_applications/update_shortcut_worker_win.h',
-      'browser/web_applications/web_app.cc',
-      'browser/web_applications/web_app.h',
-      'browser/web_applications/web_app_chromeos.cc',
-      'browser/web_applications/web_app_mac.h',
-      'browser/web_applications/web_app_mac.mm',
-      'browser/web_applications/web_app_win.h',
-      'browser/web_applications/web_app_win.cc',
       'browser/web_resource/eula_accepted_notifier.cc',
       'browser/web_resource/eula_accepted_notifier.h',
       'browser/web_resource/json_asynchronous_unpacker.cc',
       'browser/web_resource/json_asynchronous_unpacker.h',
       'browser/web_resource/notification_promo.cc',
       'browser/web_resource/notification_promo.h',
       'browser/web_resource/promo_resource_service.cc',
       'browser/web_resource/promo_resource_service.h',
       'browser/web_resource/resource_request_allowed_notifier.cc',
       'browser/web_resource/resource_request_allowed_notifier.h',
@@ skipping 2164 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/sync_file_system/drive_backend',
             'proto_out_dir': 'chrome/browser/sync_file_system/drive_backend',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],
   ],
 }