GDataDB support with leveldb.

chrome/chrome_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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 491 matching lines @@
         'browser/chromeos/extensions/input_method_event_router.cc',
         'browser/chromeos/extensions/input_method_event_router.h',
         'browser/chromeos/extensions/media_player_event_router.cc',
         'browser/chromeos/extensions/media_player_event_router.h',
         'browser/chromeos/external_metrics.cc',
         'browser/chromeos/external_metrics.h',
         'browser/chromeos/external_protocol_dialog.cc',
         'browser/chromeos/external_protocol_dialog.h',
         'browser/chromeos/gdata/gdata_auth_service.cc',
         'browser/chromeos/gdata/gdata_auth_service.h',
+        'browser/chromeos/gdata/gdata_db.h',
+        'browser/chromeos/gdata/gdata_db_factory.cc', 
+        'browser/chromeos/gdata/gdata_db_factory.h',
         'browser/chromeos/gdata/gdata_documents_service.cc',
         'browser/chromeos/gdata/gdata_documents_service.h',
         'browser/chromeos/gdata/gdata_download_observer.cc',
         'browser/chromeos/gdata/gdata_download_observer.h',
         'browser/chromeos/gdata/gdata_errorcode.h',
         'browser/chromeos/gdata/gdata_file_system.cc',
         'browser/chromeos/gdata/gdata_file_system.h',
         'browser/chromeos/gdata/gdata_file_system_proxy.cc',
         'browser/chromeos/gdata/gdata_file_system_proxy.h',
         'browser/chromeos/gdata/gdata_files.cc',
         'browser/chromeos/gdata/gdata_files.h',
+        'browser/chromeos/gdata/gdata_leveldb.cc',
+        'browser/chromeos/gdata/gdata_leveldb.h',
         'browser/chromeos/gdata/gdata_operation_registry.cc',
         'browser/chromeos/gdata/gdata_operation_registry.h',
         'browser/chromeos/gdata/gdata_operations.cc',
         'browser/chromeos/gdata/gdata_operations.h',
         'browser/chromeos/gdata/gdata_params.cc',
         'browser/chromeos/gdata/gdata_params.h',
         'browser/chromeos/gdata/gdata_parser.cc',
         'browser/chromeos/gdata/gdata_parser.h',
         'browser/chromeos/gdata/gdata_protocol_handler.cc',
         'browser/chromeos/gdata/gdata_protocol_handler.h',
@@ skipping 4677 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/chromeos/gdata/gdata.proto' ],
       'variables': {
         'proto_in_dir': 'browser/chromeos/gdata',
         'proto_out_dir': 'chrome/browser/chromeos/gdata',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }