Enabling WebRTCDeviceProvider under enable-devtools-experiments flag

chrome/chrome_tests.gypi

 # Copyright 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.
 {
   'variables': {
     'chrome_browser_extensions_test_support_sources': [
       # A list of sources which is shared between different browser tests.
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
       'browser/extensions/browsertest_util.cc',
@@ skipping 209 matching lines @@
       'browser/chromeos/system/device_disabling_browsertest.cc',
       'browser/chromeos/system/tray_accessibility_browsertest.cc',
       'browser/chromeos/ui/idle_logout_dialog_view_browsertest.cc',
       'browser/collected_cookies_browsertest.cc',
       'browser/content_settings/content_settings_browsertest.cc',
       'browser/crash_recovery_browsertest.cc',
       'browser/custom_handlers/protocol_handler_registry_browsertest.cc',
       'browser/devtools/device/adb/adb_client_socket_browsertest.cc',
       'browser/devtools/device/adb/mock_adb_server.cc',
       'browser/devtools/device/adb/mock_adb_server.h',
+      'browser/devtools/device/webrtc/webrtc_device_provider_browsertest.cc',
       'browser/devtools/device/webrtc/webrtc_device_provider_browsertest.js',
       'browser/devtools/device/port_forwarding_browsertest.cc',
       'browser/devtools/device/usb/android_usb_browsertest.cc',
       'browser/devtools/devtools_window_testing.cc',
       'browser/devtools/devtools_window_testing.h',
       'browser/devtools/devtools_sanity_browsertest.cc',
       'browser/dom_distiller/dom_distiller_viewer_source_browsertest.cc',
       'browser/dom_distiller/tab_utils_browsertest.cc',
       'browser/do_not_track_browsertest.cc',
       'browser/download/download_browsertest.cc',
@@ skipping 2975 matching lines @@
             ['enable_webrtc==1', {
               'dependencies': [
                 '../third_party/libjingle/libjingle.gyp:libjingle_webrtc'
               ]
             }],
           ],
         }]
     }],
   ],  # 'conditions'
 }