components: Cleanup class/struct fwd declarations

components/domain_reliability/test_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_DOMAIN_RELIABILITY_TEST_UTIL_H_
 #define COMPONENTS_DOMAIN_RELIABILITY_TEST_UTIL_H_
 
 #include <memory>
 
 #include "base/callback_forward.h"
 #include "components/domain_reliability/config.h"
 #include "components/domain_reliability/scheduler.h"
 #include "components/domain_reliability/uploader.h"
 #include "components/domain_reliability/util.h"
 #include "net/base/host_port_pair.h"
 #include "url/gurl.h"
 
-namespace net {
-class URLRequestStatus;
-}  // namespace net
-
 namespace domain_reliability {
 
 // A simple test callback that remembers whether it's been called.
 class TestCallback {
  public:
   TestCallback();
   ~TestCallback();
 
   // Returns a callback that can be called only once.
   const base::Closure& callback() const { return callback_; }
@@ skipping 92 matching lines @@
 };
 
 std::unique_ptr<DomainReliabilityConfig> MakeTestConfig();
 std::unique_ptr<DomainReliabilityConfig> MakeTestConfigWithOrigin(
     const GURL& origin);
 DomainReliabilityScheduler::Params MakeTestSchedulerParams();
 
 }  // namespace domain_reliability
 
 #endif  // COMPONENTS_DOMAIN_RELIABILITY_TEST_UTIL_H_