[chromedriver] Add a WebView shell app for testing.

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' : {
     'chromedriver_unittest_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',
@@ skipping 3102 matching lines @@
           'variables': {
             'apk_name': 'ChromiumTestShellTest',
             'java_in_dir': 'android/testshell/javatests',
             'resource_dir': 'android/testshell/res',
             'additional_src_dirs': ['android/javatests/src'],
             'is_test_apk': 1,
           },
           'includes': [ '../build/java_apk.gypi' ],
         },
         {
+          'target_name': 'chromedriver_webview_shell_apk',
+          'type': 'none',
+          'variables': {
+            'apk_name': 'ChromeDriverWebViewShell',
+            'java_in_dir': 'test/chromedriver/test/webview_shell/java',
+            'resource_dir': 'test/chromedriver/test/webview_shell/java/res',
+          },
+          'includes': [ '../build/java_apk.gypi' ],
+        },
+        {
           'target_name': 'chromium_testshell_uiautomator_tests_java',
           'type': 'none',
           'variables': {
             'java_in_dir': 'android/uiautomator_tests',
           },
           'dependencies': [
             '../base/base.gyp:base_java_test_support',
             '../third_party/android_tools/android_tools.gyp:uiautomator_jar',
           ],
           'includes': [ '../build/java.gypi' ],
@@ skipping 115 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
           ],
         }]
     }],
   ],  # 'conditions'
 }