Finish deinlining virtual methods.

chrome/browser/sync/glue/database_model_worker.cc

 // Copyright (c) 2010 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/glue/database_model_worker.h"
 
 #include "base/waitable_event.h"
 #include "chrome/browser/browser_thread.h"
 
 using base::WaitableEvent;
@@ skipping 16 matching lines @@
   done.Wait();
 }
 
 void DatabaseModelWorker::CallDoWorkAndSignalTask(Callback0::Type* work,
                                                   WaitableEvent* done) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::DB));
   work->Run();
   done->Signal();
 }
 
+ModelSafeGroup DatabaseModelWorker::GetModelSafeGroup() {
+  return GROUP_DB;
+}
+
 bool DatabaseModelWorker::CurrentThreadIsWorkThread() {
   return BrowserThread::CurrentlyOn(BrowserThread::DB);
 }
 
 }  // namespace browser_sync