Generalize abort tracking to page end state tracking

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(
     const base::Optional<base::TimeDelta>& first_background_time,
     const base::Optional<base::TimeDelta>& first_foreground_time,
     bool started_in_foreground,
     UserInitiatedInfo user_initiated_info,
     const GURL& url,
     const GURL& start_url,
     bool did_commit,
-    UserAbortType abort_type,
-    UserInitiatedInfo abort_user_initiated_info,
-    const base::Optional<base::TimeDelta>& time_to_abort,
+    PageEndReason page_end_reason,
+    UserInitiatedInfo page_end_user_initiated_info,
+    const base::Optional<base::TimeDelta>& page_end_time,
     const PageLoadMetadata& metadata)
     : first_background_time(first_background_time),
       first_foreground_time(first_foreground_time),
       started_in_foreground(started_in_foreground),
       user_initiated_info(user_initiated_info),
       url(url),
       start_url(start_url),
       did_commit(did_commit),
-      abort_type(abort_type),
-      abort_user_initiated_info(abort_user_initiated_info),
-      time_to_abort(time_to_abort),
+      page_end_reason(page_end_reason),
+      page_end_user_initiated_info(page_end_user_initiated_info),
+      page_end_time(page_end_time),
       metadata(metadata) {}
 
 PageLoadExtraInfo::PageLoadExtraInfo(const PageLoadExtraInfo& other) = default;
 
 PageLoadExtraInfo::~PageLoadExtraInfo() {}
 
 ExtraRequestInfo::ExtraRequestInfo(bool was_cached,
                                    int64_t raw_body_bytes,
                                    bool data_reduction_proxy_used,
                                    int64_t original_network_content_length)
@@ skipping 40 matching lines @@
 }
 
 PageLoadMetricsObserver::ObservePolicy
 PageLoadMetricsObserver::FlushMetricsOnAppEnterBackground(
     const PageLoadTiming& timing,
     const PageLoadExtraInfo& extra_info) {
   return CONTINUE_OBSERVING;
 }
 
 }  // namespace page_load_metrics