Move c/b/webdata/ code to components/webdata/

chrome/browser/webdata/autofill_web_data_service_observer.h

-// 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.
-
-#ifndef CHROME_BROWSER_WEBDATA_AUTOFILL_WEB_DATA_SERVICE_OBSERVER_H_
-#define CHROME_BROWSER_WEBDATA_AUTOFILL_WEB_DATA_SERVICE_OBSERVER_H_
-
-#include "chrome/browser/webdata/autofill_change.h"
-
-class AutofillWebDataServiceObserverOnDBThread {
- public:
-  // Called on DB thread whenever Autofill entries are changed.
-  virtual void AutofillEntriesChanged(const AutofillChangeList& changes) {}
-
-  // Called on DB thread when an AutofillProfile has been added/removed/updated
-  // in the WebDatabase.
-  virtual void AutofillProfileChanged(const AutofillProfileChange& change) {}
-
- protected:
-  virtual ~AutofillWebDataServiceObserverOnDBThread() {}
-};
-
-class AutofillWebDataServiceObserverOnUIThread {
- public:
-  // Called on UI thread whenever the web database service has finished loading
-  // the web database.
-  virtual void WebDatabaseLoaded() {}
-
-  // Called on UI thread when multiple Autofill entries have been modified by
-  // Sync.
-  virtual void AutofillMultipleChanged() {}
-
- protected:
-  virtual ~AutofillWebDataServiceObserverOnUIThread() {}
-};
-
-#endif  // CHROME_BROWSER_WEBDATA_AUTOFILL_WEB_DATA_SERVICE_OBSERVER_H_