gdata: Remove obsolete GDataDB related code

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',
@@ skipping 540 matching lines @@
         'browser/chromeos/gdata/file_write_helper.cc',
         'browser/chromeos/gdata/file_write_helper.h',
         'browser/chromeos/gdata/gdata_auth_service.cc',
         'browser/chromeos/gdata/gdata_auth_service.h',
         'browser/chromeos/gdata/gdata_cache.cc',
         'browser/chromeos/gdata/gdata_cache.h',
         'browser/chromeos/gdata/gdata_cache_metadata.cc',
         'browser/chromeos/gdata/gdata_cache_metadata.h',
         'browser/chromeos/gdata/gdata_contacts_service.cc',
         'browser/chromeos/gdata/gdata_contacts_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_interface.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_operation_runner.cc',
         'browser/chromeos/gdata/gdata_operation_runner.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_protocol_handler.cc',
         'browser/chromeos/gdata/gdata_protocol_handler.h',
@@ skipping 4927 matching lines @@
           'includes': [ '../build/jni_generator.gypi' ],
           'dependencies': [
             'android_jar_jni_headers',
           ],
         },
       ],
      },
     ],
   ],
 }