Split IndexedDBFactory into virtual base + impl.

content/content_browser.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.
 
 {
   'dependencies': [
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
     '../net/net.gyp:net',
@@ skipping 688 matching lines @@
       'browser/indexed_db/indexed_db_context_impl.h',
       'browser/indexed_db/indexed_db_cursor.cc',
       'browser/indexed_db/indexed_db_cursor.h',
       'browser/indexed_db/indexed_db_database.cc',
       'browser/indexed_db/indexed_db_database.h',
       'browser/indexed_db/indexed_db_database_callbacks.cc',
       'browser/indexed_db/indexed_db_database_callbacks.h',
       'browser/indexed_db/indexed_db_database_error.h',
       'browser/indexed_db/indexed_db_dispatcher_host.cc',
       'browser/indexed_db/indexed_db_dispatcher_host.h',
-      'browser/indexed_db/indexed_db_factory.cc',
       'browser/indexed_db/indexed_db_factory.h',
+      'browser/indexed_db/indexed_db_factory_impl.cc',
+      'browser/indexed_db/indexed_db_factory_impl.h',
       'browser/indexed_db/indexed_db_index_writer.cc',
       'browser/indexed_db/indexed_db_index_writer.h',
       'browser/indexed_db/indexed_db_internals_ui.cc',
       'browser/indexed_db/indexed_db_internals_ui.h',
       'browser/indexed_db/indexed_db_leveldb_coding.cc',
       'browser/indexed_db/indexed_db_leveldb_coding.h',
       'browser/indexed_db/indexed_db_metadata.cc',
       'browser/indexed_db/indexed_db_metadata.h',
       'browser/indexed_db/indexed_db_pending_connection.cc',
       'browser/indexed_db/indexed_db_pending_connection.h',
@@ skipping 1035 matching lines @@
         '../build/linux/system.gyp:dbus',
         '../dbus/dbus.gyp:dbus',
       ],
     }, {  # OS != "linux" or use_dbus==0
       'sources!': [
         'browser/geolocation/wifi_data_provider_linux.cc',
       ],
     }],
   ],
 }