components: Add out-of-line copy ctors for complex classes.

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 <utility>
 
 #include "base/values.h"
 #include "components/domain_reliability/util.h"
 #include "net/base/net_errors.h"
 
 namespace domain_reliability {
 
 using base::Value;
 using base::DictionaryValue;
 
 DomainReliabilityBeacon::DomainReliabilityBeacon() {}
+DomainReliabilityBeacon::DomainReliabilityBeacon(
+    const DomainReliabilityBeacon& other) = default;
 DomainReliabilityBeacon::~DomainReliabilityBeacon() {}
 
 scoped_ptr<Value> DomainReliabilityBeacon::ToValue(
     base::TimeTicks upload_time,
     base::TimeTicks last_network_change_time,
     const GURL& collector_url,
     const ScopedVector<std::string>& path_prefixes) const {
   scoped_ptr<DictionaryValue> beacon_value(new DictionaryValue());
   DCHECK(url.is_valid());
   GURL sanitized_url = SanitizeURLForReport(url, collector_url, path_prefixes);
@@ skipping 17 matching lines @@
   beacon_value->SetInteger("request_elapsed_ms", elapsed.InMilliseconds());
   base::TimeDelta request_age = upload_time - start_time;
   beacon_value->SetInteger("request_age_ms", request_age.InMilliseconds());
   bool network_changed = last_network_change_time > start_time;
   beacon_value->SetBoolean("network_changed", network_changed);
   beacon_value->SetDouble("sample_rate", sample_rate);
   return std::move(beacon_value);
 }
 
 }  // namespace domain_reliability