Domain Reliability: Mark beacons from previous networks.

components/domain_reliability/beacon.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/beacon.h"
 
 #include "base/values.h"
 #include "net/base/net_errors.h"
 
 namespace domain_reliability {
 
 using base::Value;
 using base::DictionaryValue;
 
 DomainReliabilityBeacon::DomainReliabilityBeacon() {}
 DomainReliabilityBeacon::~DomainReliabilityBeacon() {}
 
-Value* DomainReliabilityBeacon::ToValue(base::TimeTicks upload_time) const {
+Value* DomainReliabilityBeacon::ToValue(
+    base::TimeTicks upload_time,
+    base::TimeTicks last_network_change_time) const {
   DictionaryValue* beacon_value = new DictionaryValue();
   if (!url.empty())
     beacon_value->SetString("url", url);
   if (!domain.empty())
     beacon_value->SetString("domain", domain);
   if (!resource.empty())
     beacon_value->SetString("resource", resource);
   beacon_value->SetString("status", status);
   if (chrome_error != net::OK) {
     DictionaryValue* failure_value = new DictionaryValue();
     failure_value->SetString("custom_error",
                              net::ErrorToString(chrome_error));
     beacon_value->Set("failure_data", failure_value);
   }
   beacon_value->SetString("server_ip", server_ip);
   beacon_value->SetString("protocol", protocol);
   if (http_response_code >= 0)
     beacon_value->SetInteger("http_response_code", http_response_code);
   beacon_value->SetInteger("request_elapsed_ms",
                            elapsed.InMilliseconds());
   beacon_value->SetInteger("request_age_ms",
                            (upload_time - start_time).InMilliseconds());
+  if (last_network_change_time > start_time)
+    beacon_value->SetBoolean("network_changed", true);
   return beacon_value;
 }
 
 }  // namespace domain_reliability