Update data reduction proxy statistics prefs less often on desktop

chrome/browser/net/chrome_network_delegate.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 CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 #define CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 20 matching lines @@
 }
 
 namespace chrome_browser_net {
 class ConnectInterceptor;
 class Predictor;
 }
 
 namespace data_reduction_proxy {
 class DataReductionProxyAuthRequestHandler;
 class DataReductionProxyParams;
+class DataReductionProxyStatisticsPrefs;
 class DataReductionProxyUsageStats;
-}
+}  // namespace data_reduction_proxy
 
 namespace domain_reliability {
 class DomainReliabilityMonitor;
 }  // namespace domain_reliability
 
 namespace extensions {
 class EventRouterForwarder;
 class InfoMap;
 }
 
@@ skipping 106 matching lines @@
     data_reduction_proxy_usage_stats_ = usage_stats;
   }
 
   // |data_reduction_proxy_auth_request_handler_| must outlive this
   // ChromeNetworkDelegate.
   void set_data_reduction_proxy_auth_request_handler(
       data_reduction_proxy::DataReductionProxyAuthRequestHandler* handler) {
     data_reduction_proxy_auth_request_handler_ = handler;
   }
 
+  // |statistics_prefs_| must outlive this ChromeNetworkDelegate.
+  void set_data_reduction_proxy_statistics_prefs(
+      data_reduction_proxy::DataReductionProxyStatisticsPrefs* service) {
+    statistics_prefs_ = service;
+  }
+
   void set_on_resolve_proxy_handler(OnResolveProxyHandler handler) {
     on_resolve_proxy_handler_ = handler;
   }
 
   void set_proxy_config_getter(const ProxyConfigGetter& getter) {
     proxy_config_getter_ = getter;
   }
 
   // Adds the Client Hints header to HTTP requests.
   void SetEnableClientHints();
@@ skipping 133 matching lines @@
   prerender::PrerenderTracker* prerender_tracker_;
 
   // |data_reduction_proxy_params_| must outlive this ChromeNetworkDelegate.
   data_reduction_proxy::DataReductionProxyParams* data_reduction_proxy_params_;
   // |data_reduction_proxy_usage_stats_| must outlive this
   // ChromeNetworkDelegate.
   data_reduction_proxy::DataReductionProxyUsageStats*
       data_reduction_proxy_usage_stats_;
   data_reduction_proxy::DataReductionProxyAuthRequestHandler*
   data_reduction_proxy_auth_request_handler_;
+  data_reduction_proxy::DataReductionProxyStatisticsPrefs* statistics_prefs_;
 
   OnResolveProxyHandler on_resolve_proxy_handler_;
   ProxyConfigGetter proxy_config_getter_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNetworkDelegate);
 };
 
 #endif  // CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_