Add Precache.CacheStatus.NonPrefetch.FromPrecache.

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 f513410c98cea69b06a3edfd4f2dcdf32df4b16e..10f231fed8cff6a2a7e73bc0a275ae79823e90aa 100644
--- a/components/precache/core/precache_database.cc
+++ b/components/precache/core/precache_database.cc
@@ -256,6 +256,12 @@ void PrecacheDatabase::RecordURLNonPrefetch(const GURL& url,
     return;
   }
 
+  if (is_precached)

[Raj, 2016/09/26 22:09:58]

nit: add the multiline statement inside parentheses.

[twifkak, 2016/09/26 22:57:05]

Done.

+    UMA_HISTOGRAM_ENUMERATION(
+        "Precache.CacheStatus.NonPrefetch.FromPrecache",
+        info.cache_entry_status,
+        net::HttpResponseInfo::CacheEntryStatus::ENTRY_MAX);
+
   base::HistogramBase::Sample size_sample =
       static_cast<base::HistogramBase::Sample>(size);
   if (!info.was_cached) {