[chromedriver] Apply page load timeout to slow cross-process navigations

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 1235 matching lines @@
       'test/chromedriver/chrome/chrome_remote_impl.cc',
       'test/chromedriver/chrome/chrome_remote_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.cc',
       'test/chromedriver/chrome/device_metrics.h',
+      'test/chromedriver/chrome/devtools_client.cc',
       '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 2276 matching lines @@
             'browser',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
           ],
         }]
     }],
   ],  # 'conditions'
 }