Extract chrome.runtime API code from extensions::EventRouter

chrome/chrome_browser_extensions.gypi

 # Copyright (c) 2013 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_extensions',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 424 matching lines @@
         'browser/extensions/api/push_messaging/obfuscated_gaia_id_fetcher.cc',
         'browser/extensions/api/push_messaging/obfuscated_gaia_id_fetcher.h',
         'browser/extensions/api/push_messaging/push_messaging_api.cc',
         'browser/extensions/api/push_messaging/push_messaging_api.h',
         'browser/extensions/api/push_messaging/push_messaging_invalidation_handler.cc',
         'browser/extensions/api/push_messaging/push_messaging_invalidation_handler.h',
         'browser/extensions/api/push_messaging/push_messaging_invalidation_handler_delegate.h',
         'browser/extensions/api/push_messaging/push_messaging_invalidation_mapper.h',
         'browser/extensions/api/runtime/runtime_api.cc',
         'browser/extensions/api/runtime/runtime_api.h',
+        'browser/extensions/api/runtime/runtime_api_factory.cc',
+        'browser/extensions/api/runtime/runtime_api_factory.h',
         'browser/extensions/api/serial/serial_api.cc',
         'browser/extensions/api/serial/serial_api.h',
         'browser/extensions/api/serial/serial_connection.cc',
         'browser/extensions/api/serial/serial_connection.h',
         'browser/extensions/api/serial/serial_connection_posix.cc',
         'browser/extensions/api/serial/serial_connection_win.cc',
         'browser/extensions/api/serial/serial_port_enumerator.cc',
         'browser/extensions/api/serial/serial_port_enumerator.h',
         'browser/extensions/api/serial/serial_port_enumerator_posix.cc',
         'browser/extensions/api/serial/serial_port_enumerator_win.cc',
@@ skipping 735 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/chromeos/contacts',
             'proto_out_dir': 'chrome/browser/chromeos/contacts',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],  # 'chromeos=1'
   ],  # 'conditions'
 }