Cleanup: IWYU for base/gtest_prod_util.h.

remoting/host/pairing_registry_delegate_linux.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 REMOTING_PROTOCOL_PAIRING_REGISTRY_DELEGATE_LINUX_H_
-#define REMOTING_PROTOCOL_PAIRING_REGISTRY_DELEGATE_LINUX_H_
+#ifndef REMOTING_HOST_PAIRING_REGISTRY_DELEGATE_LINUX_H_
+#define REMOTING_HOST_PAIRING_REGISTRY_DELEGATE_LINUX_H_
 
 #include "remoting/protocol/pairing_registry.h"
 
 #include "base/files/file_path.h"
+#include "base/gtest_prod_util.h"
 
 namespace base {
 class ListValue;
 }  // namespace base
 
 namespace remoting {
 
 class PairingRegistryDelegateLinux
     : public protocol::PairingRegistry::Delegate {
  public:
@@ skipping 19 matching lines @@
   // For testing purposes, set the path returned by |GetRegistryPath()|.
   void SetRegistryPathForTesting(const base::FilePath& registry_path);
 
   base::FilePath registry_path_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(PairingRegistryDelegateLinux);
 };
 
 }  // namespace remoting
 
-#endif  // REMOTING_PROTOCOL_PAIRING_REGISTRY_DELEGATE_LINUX_H_
+#endif  // REMOTING_HOST_PAIRING_REGISTRY_DELEGATE_LINUX_H_