Move migration code out of WebDatabase and into table-specific classes.

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 3298 matching lines @@
         'browser/web_resource/promo_resource_service.cc',
         'browser/web_resource/promo_resource_service.h',
         'browser/web_resource/web_resource_service.cc',
         'browser/web_resource/web_resource_service.h',
         'browser/webdata/autofill_change.cc',
         'browser/webdata/autofill_change.h',
         'browser/webdata/autofill_entry.cc',
         'browser/webdata/autofill_entry.h',
         'browser/webdata/autofill_table.cc',
         'browser/webdata/autofill_table.h',
-        'browser/webdata/autofill_util.cc',
-        'browser/webdata/autofill_util.h',
         'browser/webdata/keyword_table.cc',
         'browser/webdata/keyword_table.h',
         'browser/webdata/logins_table.cc',
         'browser/webdata/logins_table.h',
         'browser/webdata/logins_table_win.cc',
         'browser/webdata/token_service_table.cc',
         'browser/webdata/token_service_table.h',
         'browser/webdata/web_apps_table.cc',
         'browser/webdata/web_apps_table.h',
         'browser/webdata/web_data_service.cc',
@@ skipping 1071 matching lines @@
       'hard_dependency': 1,
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: