components: Cleanup class/struct fwd declarations

components/ownership/owner_key_util.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_OWNERSHIP_OWNER_KEY_UTIL_H_
 #define COMPONENTS_OWNERSHIP_OWNER_KEY_UTIL_H_
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "components/ownership/ownership_export.h"
 #include "crypto/scoped_nss_types.h"
 
 struct PK11SlotInfoStr;
 typedef struct PK11SlotInfoStr PK11SlotInfo;
 
 namespace ownership {
 
-class OwnerKeyUtilTest;
-
 // This class is a ref-counted wrapper around a plain public key.
 class OWNERSHIP_EXPORT PublicKey
     : public base::RefCountedThreadSafe<PublicKey> {
  public:
   PublicKey();
 
   std::vector<uint8_t>& data() { return data_; }
 
   bool is_loaded() const { return !data_.empty(); }
 
@@ skipping 53 matching lines @@
  protected:
   virtual ~OwnerKeyUtil() {}
 
  private:
   friend class base::RefCountedThreadSafe<OwnerKeyUtil>;
 };
 
 }  // namespace ownership
 
 #endif  // COMPONENTS_OWNERSHIP_OWNER_KEY_UTIL_H_