Replace more ObserverList with base::ObserverList.

components/autofill/core/browser/webdata/autofill_webdata_service.h

 // Copyright 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 COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_WEBDATA_SERVICE_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_WEBDATA_SERVICE_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
@@ skipping 112 matching lines @@
  protected:
   ~AutofillWebDataService() override;
 
   virtual void NotifyAutofillMultipleChangedOnUIThread();
 
   base::WeakPtr<AutofillWebDataService> AsWeakPtr() {
     return weak_ptr_factory_.GetWeakPtr();
   }
 
  private:
-  ObserverList<AutofillWebDataServiceObserverOnUIThread> ui_observer_list_;
+  base::ObserverList<AutofillWebDataServiceObserverOnUIThread>
+      ui_observer_list_;
 
   // The task runner that this class uses as its UI thread.
   scoped_refptr<base::SingleThreadTaskRunner> ui_thread_;
 
   // The task runner that this class uses as its DB thread.
   scoped_refptr<base::SingleThreadTaskRunner> db_thread_;
 
   scoped_refptr<AutofillWebDataBackendImpl> autofill_backend_;
 
   // This factory is used on the UI thread. All vended weak pointers are
   // invalidated in ShutdownOnUIThread().
   base::WeakPtrFactory<AutofillWebDataService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillWebDataService);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_WEBDATA_SERVICE_H_