[Chromoting] Extract shared viewport code into viewport.js.

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.
 
 # Keep in sync with remoting/webapp/files.gni.
 
 {
   'variables': {
 
     # Jscompile proto files.
@@ skipping 53 matching lines @@
     # The unit test cases for the webapp
     'remoting_webapp_unittests_js_files': [
       # TODO(jrw): Move spy_promise to base.
       'webapp/unittests/spy_promise.js',
       'webapp/unittests/spy_promise_unittest.js',
       'webapp/base/js/base_unittest.js',
       'webapp/base/js/base_event_hook_unittest.js',
       'webapp/base/js/base_inherits_unittest.js',
       'webapp/base/js/ipc_unittest.js',
       'webapp/base/js/protocol_extension_manager_unittest.js',
+      'webapp/base/js/viewport_unittest.js',
       'webapp/crd/js/apps_v2_migration_unittest.js',
       'webapp/crd/js/client_session_unittest.js',
-      'webapp/crd/js/desktop_viewport_unittest.js',
       'webapp/crd/js/client_session_factory_unittest.js',
       'webapp/crd/js/dns_blackhole_checker_unittest.js',
       'webapp/crd/js/error_unittest.js',
       'webapp/crd/js/fallback_signal_strategy_unittest.js',
       'webapp/crd/js/gcd_client_unittest.js',
       'webapp/crd/js/gcd_client_with_mock_xhr_unittest.js',
       'webapp/crd/js/host_controller_unittest.js',
       'webapp/crd/js/host_daemon_facade_unittest.js',
       'webapp/crd/js/host_list_api_impl_unittest.js',
       'webapp/crd/js/host_table_entry_unittest.js',
@@ skipping 147 matching lines @@
       'webapp/crd/js/signal_strategy.js',
       'webapp/crd/js/tcp_socket.js',
       'webapp/crd/js/wcs_adapter.js',
       'webapp/crd/js/wcs_sandbox_container.js',
       'webapp/crd/js/xmpp_connection.js',
       'webapp/crd/js/xmpp_login_handler.js',
       'webapp/crd/js/xmpp_stream_parser.js',
     ],
     # UI JavaScript files.
     'remoting_webapp_js_ui_files': [
+      'webapp/base/js/viewport.js',
       'webapp/base/js/window_shape.js',
       'webapp/crd/js/bump_scroller.js',
       'webapp/crd/js/butter_bar.js',
       'webapp/crd/js/connection_stats.js',
       'webapp/crd/js/desktop_viewport.js',
       'webapp/crd/js/feedback.js',
       'webapp/crd/js/fullscreen.js',
       'webapp/crd/js/fullscreen_v1.js',
       'webapp/crd/js/fullscreen_v2.js',
       'webapp/crd/js/l10n.js',
@@ skipping 223 matching lines @@
       '<(remoting_webapp_template_background)',
       '<(remoting_webapp_template_main)',
       '<(remoting_webapp_template_message_window)',
       '<(remoting_webapp_template_wcs_sandbox)',
       '<@(remoting_webapp_template_files)',
       '<@(remoting_webapp_crd_js_files)',
     ],
 
   },
 }