Add <extensionview>

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 46 matching lines @@
       'browser/apps/app_shim/test/app_shim_host_manager_test_api_mac.cc',
       'browser/apps/app_shim/test/app_shim_host_manager_test_api_mac.h',
       'browser/apps/app_url_redirector_browsertest.cc',
       'browser/apps/app_window_browsertest.cc',
       'browser/apps/ephemeral_app_browsertest.cc',
       'browser/apps/ephemeral_app_browsertest.h',
       'browser/apps/ephemeral_app_launcher_browsertest.cc',
       'browser/apps/ephemeral_app_service_browsertest.cc',
       'browser/apps/event_page_browsertest.cc',
       'browser/apps/guest_view/app_view_browsertest.cc',
+      'browser/apps/guest_view/extension_view_browsertest.cc',
       'browser/apps/guest_view/web_view_browsertest.cc',
       'browser/apps/speech_recognition_browsertest.cc',
       'browser/apps/window_controls_browsertest.cc',
       'browser/autocomplete/autocomplete_browsertest.cc',
       'browser/autofill/autofill_browsertest.cc',
       'browser/autofill/autofill_server_browsertest.cc',
       'browser/autofill/content_autofill_driver_browsertest.cc',
       'browser/autofill/form_structure_browsertest.cc',
       'browser/bitmap_fetcher/bitmap_fetcher_browsertest.cc',
       'browser/browser_encoding_browsertest.cc',
@@ skipping 3155 matching lines @@
             ['enable_webrtc==1', {
               'dependencies': [
                 '../third_party/libjingle/libjingle.gyp:libjingle_webrtc'
               ]
             }],
           ],
         }]
     }],
   ],  # 'conditions'
 }