Add first-class support for user scripts

chrome/chrome.gyp

 # Copyright (c) 2009 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': {
     'chromium_code': 1,
 
     'variables': {
       'version_py_path': 'tools/build/version.py',
@@ skipping 1295 matching lines @@
         'browser/download/save_file.h',
         'browser/download/save_file_manager.cc',
         'browser/download/save_file_manager.h',
         'browser/download/save_item.cc',
         'browser/download/save_item.h',
         'browser/download/save_package.cc',
         'browser/download/save_package.h',
         'browser/download/save_types.h',
         'browser/encoding_menu_controller.cc',
         'browser/encoding_menu_controller.h',
+        'browser/extensions/convert_user_script.cc',
+        'browser/extensions/convert_user_script.h',
         'browser/extensions/crashed_extension_infobar.cc',
         'browser/extensions/crashed_extension_infobar.h',
         'browser/extensions/crx_installer.cc',
         'browser/extensions/crx_installer.h',
         'browser/extensions/extension_bookmarks_module.cc',
         'browser/extensions/extension_bookmarks_module.h',
         'browser/extensions/extension_bookmarks_module_constants.cc',
         'browser/extensions/extension_bookmarks_module_constants.h',
         'browser/extensions/extension_browser_actions_api.cc',
         'browser/extensions/extension_browser_actions_api.h',
@@ skipping 3209 matching lines @@
         'browser/command_updater_unittest.cc',
         'browser/debugger/devtools_manager_unittest.cc',
         'browser/dom_ui/dom_ui_theme_source_unittest.cc',
         'browser/dom_ui/dom_ui_unittest.cc',
         'browser/dom_ui/shown_sections_handler_unittest.cc',
         'browser/download/download_manager_unittest.cc',
         'browser/download/download_request_infobar_delegate_unittest.cc',
         'browser/download/download_request_manager_unittest.cc',
         'browser/download/save_package_unittest.cc',
         'browser/encoding_menu_controller_unittest.cc',
+        'browser/extensions/convert_user_script_unittest.cc',
         'browser/extensions/extension_file_util_unittest.cc',
         'browser/extensions/extension_messages_unittest.cc',
         'browser/extensions/extension_process_manager_unittest.cc',
         'browser/extensions/extension_ui_unittest.cc',
         'browser/extensions/extension_updater_unittest.cc',
         'browser/extensions/extensions_service_unittest.cc',
         'browser/extensions/file_reader_unittest.cc',
         'browser/extensions/user_script_listener_unittest.cc',
         'browser/extensions/user_script_master_unittest.cc',
         'browser/find_backend_unittest.cc',
@@ skipping 2378 matching lines @@
       ]
     }],
   ],  # 'conditions'
 }
 
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