Interfaceify ClientPlugin in preparation for mocking it.

remoting/remoting_webapp_files.gypi

 # 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.
 
 {
   'variables': {
     'remoting_webapp_info_files': [
       'resources/chromoting16.webp',
       'resources/chromoting48.webp',
       'resources/chromoting128.webp',
@@ skipping 22 matching lines @@
     ],
     # Auth (Google account) JavaScript files.
     'remoting_webapp_js_auth_google_files': [
       'webapp/identity.js',
       'webapp/oauth2.js',
       'webapp/oauth2_api.js',
     ],
     # Client JavaScript files.
     'remoting_webapp_js_client_files': [
       'webapp/client_plugin.js',
+      'webapp/client_plugin_impl.js',
       # TODO(garykac) For client_screen:
       # * Split out pin/access code stuff into separate file.
       # * Move client logic into session_connector
       'webapp/client_screen.js',
       'webapp/client_session.js',
       'webapp/clipboard.js',
       'webapp/hangout_session.js',
       'webapp/media_source_renderer.js',
       'webapp/session_connector.js',
+      'webapp/session_connector_impl.js',
       'webapp/smart_reconnector.js',
       'webapp/video_frame_recorder.js',
     ],
     # Remoting core JavaScript files.
     'remoting_webapp_js_core_files': [
       'webapp/base.js',
       'webapp/error.js',
       'webapp/event_handlers.js',
       'webapp/plugin_settings.js',
       # TODO(garykac) Split out UI client stuff from remoting.js.
@@ skipping 241 matching lines @@
       'webapp/html/dialog_token_refresh_failed.html',
       'webapp/html/toolbar.html',
       'webapp/html/ui_header.html',
       'webapp/html/ui_it2me.html',
       'webapp/html/ui_me2me.html',
       'webapp/html/window_frame.html',
     ],
 
   },
 }