components: Use stl utilities from the base namespace

components/sync/core_impl/protocol_event_buffer.h

 // Copyright 2014 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_SYNC_CORE_IMPL_PROTOCOL_EVENT_BUFFER_H_
 #define COMPONENTS_SYNC_CORE_IMPL_PROTOCOL_EVENT_BUFFER_H_
 
 #include <stddef.h>
 
 #include <deque>
@@ skipping 17 matching lines @@
   ~ProtocolEventBuffer();
 
   // Records an event.  May cause the oldest event to be dropped.
   void RecordProtocolEvent(const ProtocolEvent& event);
 
   // Returns the buffered contents.  Will not clear the buffer.
   ScopedVector<ProtocolEvent> GetBufferedProtocolEvents() const;
 
  private:
   std::deque<ProtocolEvent*> buffer_;
-  STLElementDeleter<std::deque<ProtocolEvent*>> buffer_deleter_;
+  base::STLElementDeleter<std::deque<ProtocolEvent*>> buffer_deleter_;
 
   DISALLOW_COPY_AND_ASSIGN(ProtocolEventBuffer);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_CORE_IMPL_PROTOCOL_EVENT_BUFFER_H_