[ChromeDriver] Support mobile emulation on desktop Chrome.

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.
 {
   'includes': [
     'js_unittest_vars.gypi',
   ],
   'targets': [
     {
       'target_name': 'interactive_ui_tests',
@@ skipping 401 matching lines @@
         'test/chromedriver/chrome/chrome_finder.h',
         'test/chromedriver/chrome/chrome_finder_mac.mm',
         'test/chromedriver/chrome/chrome_impl.cc',
         'test/chromedriver/chrome/chrome_impl.h',
         'test/chromedriver/chrome/console_logger.cc',
         'test/chromedriver/chrome/console_logger.h',
         'test/chromedriver/chrome/debugger_tracker.cc',
         'test/chromedriver/chrome/debugger_tracker.h',
         'test/chromedriver/chrome/device_manager.cc',
         'test/chromedriver/chrome/device_manager.h',
+        'test/chromedriver/chrome/device_metrics_override_manager.cc',
+        'test/chromedriver/chrome/device_metrics_override_manager.h',
+        'test/chromedriver/chrome/device_metrics.h',
         'test/chromedriver/chrome/devtools_client.h',
         'test/chromedriver/chrome/devtools_client_impl.cc',
         'test/chromedriver/chrome/devtools_client_impl.h',
         'test/chromedriver/chrome/devtools_event_listener.cc',
         'test/chromedriver/chrome/devtools_event_listener.h',
         'test/chromedriver/chrome/devtools_http_client.cc',
         'test/chromedriver/chrome/devtools_http_client.h',
         'test/chromedriver/chrome/dom_tracker.cc',
         'test/chromedriver/chrome/dom_tracker.h',
         'test/chromedriver/chrome/frame_tracker.cc',
@@ skipping 247 matching lines @@
         '../ui/gfx/gfx.gyp:gfx_geometry',
       ],
       'include_dirs': [
         '..,'
       ],
       'sources': [
         'test/chromedriver/capabilities_unittest.cc',
         'test/chromedriver/chrome/chrome_finder_unittest.cc',
         'test/chromedriver/chrome/console_logger_unittest.cc',
         'test/chromedriver/chrome/device_manager_unittest.cc',
+        'test/chromedriver/chrome/device_metrics_override_manager_unittest.cc',
         'test/chromedriver/chrome/devtools_client_impl_unittest.cc',
         'test/chromedriver/chrome/devtools_http_client_unittest.cc',
         'test/chromedriver/chrome/dom_tracker_unittest.cc',
         'test/chromedriver/chrome/frame_tracker_unittest.cc',
         'test/chromedriver/chrome/geolocation_override_manager_unittest.cc',
         'test/chromedriver/chrome/heap_snapshot_taker_unittest.cc',
         'test/chromedriver/chrome/javascript_dialog_manager_unittest.cc',
         'test/chromedriver/chrome/navigation_tracker_unittest.cc',
         'test/chromedriver/chrome/performance_logger_unittest.cc',
         'test/chromedriver/chrome/status_unittest.cc',
@@ skipping 2213 matching lines @@
             ['enable_webrtc==1', {
               'dependencies': [
                 '../third_party/libjingle/libjingle.gyp:libjingle_webrtc'
               ]
             }],
           ],
         }]
     }],
   ],  # 'conditions'
 }