Add a browsertest for bug 75604

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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' : {
     # Variables for js2gtest rules
     'gypv8sh': '../tools/gypv8sh.py',
     'js2gtest': 'test/base/js2gtest.js',
     'js2gtest_out_dir': '<(SHARED_INTERMEDIATE_DIR)/js2gtest',
     'mock_js': 'third_party/mock4js/mock4js.js',
@@ skipping 2646 matching lines @@
         '../content/browser/file_system/file_system_browsertest.cc',
         '../content/browser/in_process_webkit/dom_storage_browsertest.cc',
         '../content/browser/in_process_webkit/indexed_db_browsertest.cc',
         '../content/browser/plugin_service_browsertest.cc',
         '../content/browser/renderer_host/render_process_host_browsertest.cc',
         '../content/browser/renderer_host/render_process_host_browsertest.h',
         '../content/browser/renderer_host/render_view_host_browsertest.cc',
         '../content/browser/renderer_host/render_view_host_manager_browsertest.cc',
         '../content/browser/renderer_host/resource_dispatcher_host_browsertest.cc',
         '../content/browser/speech/speech_input_browsertest.cc',
+        '../content/browser/webkit_browsertest.cc',
         '../content/renderer/render_view_browsertest.cc',
         '../content/renderer/render_view_browsertest_mac.mm',
         '../content/test/render_widget_browsertest.cc',
         '../content/test/render_widget_browsertest.h',
         '../content/test/test_launcher.cc',
         '../content/test/test_launcher.h',
       ],
       'rules': [
         {
           'rule_name': 'js2webui',
@@ skipping 1544 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }