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

chrome/browser/sync_file_system/sync_file_system_service_factory.cc

 // Copyright (c) 2013 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.
 
 #include "chrome/browser/sync_file_system/sync_file_system_service_factory.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/sync_file_system/local/local_file_sync_service.h"
 #include "chrome/browser/sync_file_system/sync_file_system_service.h"
 #include "chrome/browser/sync_file_system/syncable_file_system_util.h"
 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
 
 namespace sync_file_system {
 
 namespace {
 const char kDisableLastWriteWin[] = "disable-syncfs-last-write-win";
 }
 
@@ skipping 58 matching lines @@
     remote_file_service->SetConflictResolutionPolicy(
         CONFLICT_RESOLUTION_POLICY_MANUAL);
   }
 
   service->Initialize(local_file_service.Pass(),
                       remote_file_service.Pass());
   return service;
 }
 
 }  // namespace sync_file_system