components: Cleanup class/struct fwd declarations

components/domain_reliability/uploader.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_UPLOADER_H_
 #define COMPONENTS_DOMAIN_RELIABILITY_UPLOADER_H_
 
 #include <map>
 #include <memory>
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "components/domain_reliability/domain_reliability_export.h"
 #include "url/gurl.h"
 
 namespace net {
-class URLFetcher;
 class URLRequest;
 class URLRequestContextGetter;
 }  // namespace net
 
 namespace domain_reliability {
 
 class MockableTime;
 
 // Uploads Domain Reliability reports to collectors.
 class DOMAIN_RELIABILITY_EXPORT DomainReliabilityUploader {
@@ skipping 35 matching lines @@
                             const UploadCallback& callback) = 0;
 
   virtual void set_discard_uploads(bool discard_uploads) = 0;
 
   static int GetURLRequestUploadDepth(const net::URLRequest& request);
 };
 
 }  // namespace domain_reliability
 
 #endif  // COMPONENTS_DOMAIN_RELIABILITY_UPLOADER_H_