Add abstractions that let embedders drive tests of WebContents.

content/content_tests.gypi

 # Copyright (c) 2012 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.
 
 {
   'targets': [
     {
       'target_name': 'test_support_content',
       'type': 'static_library',
       'defines!': ['CONTENT_IMPLEMENTATION'],
@@ skipping 88 matching lines @@
         'test/test_notification_tracker.cc',
         'test/test_notification_tracker.h',
         'test/test_renderer_host.cc',
         'test/test_renderer_host.h',
         'test/test_url_fetcher_factory.cc',
         'test/test_url_fetcher_factory.h',
         'test/test_web_contents_view.cc',
         'test/test_web_contents_view.h',
         'test/unittest_test_suite.cc',
         'test/unittest_test_suite.h',
+        'test/web_contents_tester.cc',
+        'test/web_contents_tester.h',
 
         # TODO(phajdan.jr): Those files should be moved to webkit
         # test support target.
         '../webkit/appcache/appcache_test_helper.cc',
         '../webkit/appcache/appcache_test_helper.h',
         '../webkit/quota/mock_special_storage_policy.cc',
         '../webkit/quota/mock_special_storage_policy.h',
       ],
       'conditions': [
         ['enable_webrtc==1', {
@@ skipping 372 matching lines @@
           ],
           'sources': [
             'common/gpu/media/video_decode_accelerator_unittest.cc',
           ],
         }
       ],
     },
    ],
   ],
 }