Fix header guard.

components/copresence/public/whispernet_client.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_COPRESENCE_INTERFACE_WHISPERNET_CLIENT_H_
-#define COMPONENTS_COPRESENCE_INTERFACE_WHISPERNET_CLIENT_H_
+#ifndef COMPONENTS_COPRESENCE_PUBLIC_WHISPERNET_CLIENT_H_
+#define COMPONENTS_COPRESENCE_PUBLIC_WHISPERNET_CLIENT_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
+#include "base/memory/ref_counted.h"
 
 namespace media {
 class AudioBusRefCounted;
 }
 
 namespace copresence {
 
 // The interface that the whispernet client needs to implement. These methods
 // provide us the ability to use the audio medium in copresence. Currently since
 // the only medium that copresence uses is audio, the implementation of this
@@ skipping 36 matching lines @@
   virtual TokensCallback GetTokensCallback() = 0;
   virtual SamplesCallback GetSamplesCallback() = 0;
   virtual SuccessCallback GetDetectBroadcastCallback() = 0;
   virtual SuccessCallback GetInitializedCallback() = 0;
 
   virtual ~WhispernetClient() {};
 };
 
 }  // namespace copresence
 
-#endif  // COMPONENTS_COPRESENCE_INTERFACE_WHISPERNET_CLIENT_H_
+#endif  // COMPONENTS_COPRESENCE_PUBLIC_WHISPERNET_CLIENT_H_