Add UMA Precache.CacheStatus.NonPrefetch

components/precache/core/precache_database.cc

 // Copyright 2013 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/precache/core/precache_database.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/location.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 137 matching lines @@
 }
 
 void PrecacheDatabase::RecordURLNonPrefetch(const GURL& url,
                                             const base::TimeDelta& latency,
                                             const base::Time& fetch_time,
                                             const net::HttpResponseInfo& info,
                                             int64_t size,
                                             int host_rank,
                                             bool is_connection_cellular) {
   UMA_HISTOGRAM_TIMES("Precache.Latency.NonPrefetch", latency);
+  UMA_HISTOGRAM_ENUMERATION("Precache.CacheStatus.NonPrefetch",
+                            info.cache_entry_status,
+                            net::HttpResponseInfo::CacheEntryStatus::ENTRY_MAX);
 
   if (host_rank != history::kMaxTopHosts) {
     // The resource was loaded on a page that could have been affected by
     // precaching.
     UMA_HISTOGRAM_TIMES("Precache.Latency.NonPrefetch.TopHosts", latency);
   } else {
     // The resource was loaded on a page that could NOT have been affected by
     // precaching.
     UMA_HISTOGRAM_TIMES("Precache.Latency.NonPrefetch.NonTopHosts", latency);
   }
@@ skipping 135 matching lines @@
 
 void PrecacheDatabase::DeleteUnfinishedWork() {
   precache_session_table_.DeleteUnfinishedWork();
 }
 
 base::WeakPtr<PrecacheDatabase> PrecacheDatabase::GetWeakPtr() {
   return weak_factory_.GetWeakPtr();
 }
 
 }  // namespace precache