net: Cleanup class/struct forward declarations

net/cert/multi_threaded_cert_verifier.h

 // Copyright (c) 2012 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 NET_CERT_MULTI_THREADED_CERT_VERIFIER_H_
 #define NET_CERT_MULTI_THREADED_CERT_VERIFIER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/non_thread_safe.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
 #include "net/cert/cert_verifier.h"
 
 namespace net {
 
 class CertVerifierJob;
 class CertVerifierRequest;
-class CertVerifierWorker;
 class CertVerifyProc;
 
 // MultiThreadedCertVerifier is a CertVerifier implementation that runs
 // synchronous CertVerifier implementations on worker threads.
 class NET_EXPORT_PRIVATE MultiThreadedCertVerifier
     : public CertVerifier,
       NON_EXPORTED_BASE(public base::NonThreadSafe) {
  public:
   explicit MultiThreadedCertVerifier(CertVerifyProc* verify_proc);
 
@@ skipping 48 matching lines @@
   uint64_t inflight_joins_;
 
   scoped_refptr<CertVerifyProc> verify_proc_;
 
   DISALLOW_COPY_AND_ASSIGN(MultiThreadedCertVerifier);
 };
 
 }  // namespace net
 
 #endif  // NET_CERT_MULTI_THREADED_CERT_VERIFIER_H_