[chromedriver] Implement proxy capability.

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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 896 matching lines @@
         '../ui/ui.gyp:ui',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         '../third_party/webdriver/atoms.cc',
         '../third_party/webdriver/atoms.h',
         'test/chromedriver/basic_types.cc',
         'test/chromedriver/basic_types.h',
+        'test/chromedriver/capabilities.cc',
+        'test/chromedriver/capabilities.h',
         'test/chromedriver/chrome_launcher.cc',
         'test/chromedriver/chrome_launcher.h',
         'test/chromedriver/chromedriver.cc',
         'test/chromedriver/chromedriver.h',
         'test/chromedriver/command.h',
         'test/chromedriver/command_executor.h',
         'test/chromedriver/command_executor_impl.cc',
         'test/chromedriver/command_executor_impl.h',
         'test/chromedriver/command_names.cc',
         'test/chromedriver/command_names.h',
@@ skipping 82 matching lines @@
       'type': 'executable',
       'dependencies': [
         'chromedriver2_lib',
         'chromedriver2_server_lib',
         '../base/base.gyp:base',
         '../base/base.gyp:run_all_unittests',
         '../testing/gtest.gyp:gtest',
         '../ui/ui.gyp:ui',
       ],
       'sources': [
+        'test/chromedriver/capabilities_unittest.cc',
         'test/chromedriver/chrome/chrome_finder_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/javascript_dialog_manager_unittest.cc',
         'test/chromedriver/chrome/navigation_tracker_unittest.cc',
         'test/chromedriver/chrome/status_unittest.cc',
         'test/chromedriver/chrome/stub_chrome.cc',
@@ skipping 2258 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/browser_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }