Add 'Dump Database' tab to syncfs-internals (only for v2 for now)

chrome/chrome_browser_ui.gypi

 # Copyright 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_ui',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 2527 matching lines @@
         'browser/ui/webui/signin/user_manager_screen_handler.h',
         'browser/ui/webui/signin/user_manager_screen_handler.cc',
         'browser/ui/webui/signin/user_manager_ui.h',
         'browser/ui/webui/signin/user_manager_ui.cc',
         'browser/ui/webui/signin_internals_ui.cc',
         'browser/ui/webui/signin_internals_ui.h',
         'browser/ui/webui/suggestions_internals/suggestions_internals_ui.cc',
         'browser/ui/webui/suggestions_internals/suggestions_internals_ui.h',
         'browser/ui/webui/suggestions_internals/suggestions_internals_ui_handler.cc',
         'browser/ui/webui/suggestions_internals/suggestions_internals_ui_handler.h',
+        'browser/ui/webui/sync_file_system_internals/dump_database_handler.cc',
+        'browser/ui/webui/sync_file_system_internals/dump_database_handler.h',
         'browser/ui/webui/sync_file_system_internals/extension_statuses_handler.cc',
         'browser/ui/webui/sync_file_system_internals/extension_statuses_handler.h',
         'browser/ui/webui/sync_file_system_internals/file_metadata_handler.cc',
         'browser/ui/webui/sync_file_system_internals/file_metadata_handler.h',
         'browser/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.cc',
         'browser/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.h',
         'browser/ui/webui/sync_file_system_internals/sync_file_system_internals_ui.cc',
         'browser/ui/webui/sync_file_system_internals/sync_file_system_internals_ui.h',
         'browser/ui/webui/sync_internals_ui.cc',
         'browser/ui/webui/sync_internals_ui.h',
@@ skipping 794 matching lines @@
             'browser/ui/webui/local_discovery/local_discovery_ui.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui.h',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.h',
           ],
         }],
       ],
     },
   ],
 }