Add UMA Precache.CacheStatus.NonPrefetch

components/precache/core/precache_database.cc

Index: components/precache/core/precache_database.cc
diff --git a/components/precache/core/precache_database.cc b/components/precache/core/precache_database.cc
index 4f8e78f3e21b0dbb1eb301d0491c9bd10ed9aed4..0ee64d8d4c8983e635cac9085328b14a20429748 100644
--- a/components/precache/core/precache_database.cc
+++ b/components/precache/core/precache_database.cc
@@ -155,6 +155,9 @@ void PrecacheDatabase::RecordURLNonPrefetch(const GURL& url,
                                             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