Sync user's custom spellcheck dictionary

chrome/browser/sync/test/integration/dictionary_load_observer.h

+// 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.
+
+#ifndef CHROME_BROWSER_SYNC_TEST_INTEGRATION_DICTIONARY_LOAD_OBSERVER_H_
+#define CHROME_BROWSER_SYNC_TEST_INTEGRATION_DICTIONARY_LOAD_OBSERVER_H_
+
+#include "base/callback.h"
+#include "chrome/browser/spellchecker/spellcheck_custom_dictionary.h"
+
+// DictionaryLoadObserver is used when blocking until the
+// SpellcheckCustomDictionary finishes loading. As soon as the
+// SpellcheckCustomDictionary finishes loading, the message loop is quit.
+class DictionaryLoadObserver : public SpellcheckCustomDictionary::Observer {
+ public:
+  explicit DictionaryLoadObserver(const base::Closure& quit_task);
+  virtual ~DictionaryLoadObserver();
+
+  // SpellcheckCustomDictionary::Observer implementation.
+  virtual void OnCustomDictionaryLoaded() OVERRIDE;
+  virtual void OnCustomDictionaryChanged(
+      const SpellcheckCustomDictionary::Change* dictionary_change) OVERRIDE;
+
+ private:
+  base::Closure quit_task_;
+  DISALLOW_COPY_AND_ASSIGN(DictionaryLoadObserver);
+};
+
+#endif  // CHROME_BROWSER_SYNC_TEST_INTEGRATION_DICTIONARY_LOAD_OBSERVER_H_