Clean up sparse_histogram.h header

components/domain_reliability/uploader.cc

 // 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.
 
 #include "components/domain_reliability/uploader.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
-#include "base/metrics/sparse_histogram.h"
+#include "base/metrics/histogram_macros.h"
 #include "base/supports_user_data.h"
 #include "components/data_use_measurement/core/data_use_user_data.h"
 #include "components/domain_reliability/util.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_util.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request_context_getter.h"
@@ skipping 151 matching lines @@
 int DomainReliabilityUploader::GetURLRequestUploadDepth(
     const net::URLRequest& request) {
   UploadUserData* data = static_cast<UploadUserData*>(
       request.GetUserData(UploadUserData::kUserDataKey));
   if (!data)
     return 0;
   return data->depth();
 }
 
 }  // namespace domain_reliability