Webview tag creation should be using storage partitions.

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 303 matching lines @@
         'browser/renderer_host/text_input_client_mac_unittest.mm',
         'browser/renderer_host/web_input_event_aura_unittest.cc',
         'browser/resolve_proxy_msg_helper_unittest.cc',
         'browser/site_instance_impl_unittest.cc',
         'browser/speech/chunked_byte_buffer_unittest.cc',
         'browser/speech/endpointer/endpointer_unittest.cc',
         'browser/speech/google_one_shot_remote_engine_unittest.cc',
         'browser/speech/google_streaming_remote_engine_unittest.cc',
         'browser/speech/speech_recognizer_unittest.cc',
         'browser/ssl/ssl_host_state_unittest.cc',
+        'browser/storage_partition_impl_unittest.cc',
         'browser/system_message_window_win_unittest.cc',
         'browser/trace_subscriber_stdio_unittest.cc',
         'browser/web_contents/navigation_controller_impl_unittest.cc',
         'browser/web_contents/navigation_entry_impl_unittest.cc',
         'browser/web_contents/render_view_host_manager_unittest.cc',
         'browser/web_contents/web_contents_delegate_unittest.cc',
         'browser/web_contents/web_contents_impl_unittest.cc',
         'browser/web_contents/web_contents_user_data_unittest.cc',
         'browser/web_contents/web_contents_view_mac_unittest.mm',
         'browser/web_contents/web_drag_dest_mac_unittest.mm',
@@ skipping 587 matching lines @@
             'java_in_dir': '../content/shell/android/javatests',
             'resource_dir': '../res',
             'additional_src_dirs': ['../content/public/android/javatests/'],
           },
           'includes': [ '../build/java_apk.gypi' ],
         },
       ],
     }],
   ],
 }