Adding opt out and previews type information to DRP pingback

chrome/browser/page_load_metrics/page_load_metrics_observer.cc

 // Copyright 2015 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 "chrome/browser/page_load_metrics/page_load_metrics_observer.h"
 
 namespace page_load_metrics {
 
 PageLoadExtraInfo::PageLoadExtraInfo(
     base::TimeTicks navigation_start,
@@ skipping 39 matching lines @@
       UserInitiatedInfo::BrowserInitiated(), url, url, true /* did_commit */,
       page_load_metrics::END_NONE,
       page_load_metrics::UserInitiatedInfo::NotUserInitiated(),
       base::TimeDelta(), page_load_metrics::PageLoadMetadata(),
       page_load_metrics::PageLoadMetadata());
 }
 
 ExtraRequestInfo::ExtraRequestInfo(bool was_cached,
                                    int64_t raw_body_bytes,
                                    bool data_reduction_proxy_used,
+                                   bool was_lofi_response,
                                    int64_t original_network_content_length)
     : was_cached(was_cached),
       raw_body_bytes(raw_body_bytes),
       data_reduction_proxy_used(data_reduction_proxy_used),
+      was_lofi_response(was_lofi_response),
       original_network_content_length(original_network_content_length) {}
 
 ExtraRequestInfo::ExtraRequestInfo(const ExtraRequestInfo& other) = default;
 
 ExtraRequestInfo::~ExtraRequestInfo() {}
 
 FailedProvisionalLoadInfo::FailedProvisionalLoadInfo(base::TimeDelta interval,
                                                      net::Error error)
     : time_to_failed_provisional_load(interval), error(error) {}
 
@@ skipping 35 matching lines @@
 
 PageLoadMetricsObserver::ObservePolicy
 PageLoadMetricsObserver::ShouldObserveMimeType(
     const std::string& mime_type) const {
   return mime_type == "text/html" || mime_type == "application/xhtml+xml"
              ? CONTINUE_OBSERVING
              : STOP_OBSERVING;
 }
 
 }  // namespace page_load_metrics