Bug 1944631 - Migrate histograms to use Glean APIs in netwerk/dns (excluding keyed boolean and categorical histograms that are not supported in Glean yet), r=chutten,necko-reviewers,valentin.

Differential Revision: https://phabricator.services.mozilla.com/D235632

Author: fqueze

netwerk/dns/HostRecordQueue.cpp

@@ -4,7 +4,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "HostRecordQueue.h"
-#include "mozilla/Telemetry.h"
+#include "mozilla/glean/NetwerkDnsMetrics.h"
 #include "nsQueryObject.h"
 
 namespace mozilla {
@@ -76,20 +76,16 @@ void HostRecordQueue::AddToEvictionQ(
       // record the age of the entry upon eviction.
       TimeDuration age = TimeStamp::NowLoRes() - head->mValidStart;
       if (aRec->IsAddrRecord()) {
-        Telemetry::Accumulate(Telemetry::DNS_CLEANUP_AGE,
-                              static_cast<uint32_t>(age.ToSeconds() / 60));
+        glean::dns::cleanup_age.AccumulateRawDuration(age);
       } else {
-        Telemetry::Accumulate(Telemetry::DNS_BY_TYPE_CLEANUP_AGE,
-                              static_cast<uint32_t>(age.ToSeconds() / 60));
+        glean::dns::by_type_cleanup_age.AccumulateRawDuration(age);
       }
       if (head->CheckExpiration(TimeStamp::Now()) !=
           nsHostRecord::EXP_EXPIRED) {
         if (aRec->IsAddrRecord()) {
-          Telemetry::Accumulate(Telemetry::DNS_PREMATURE_EVICTION,
-                                static_cast<uint32_t>(age.ToSeconds() / 60));
+          glean::dns::premature_eviction.AccumulateRawDuration(age);
         } else {
-          Telemetry::Accumulate(Telemetry::DNS_BY_TYPE_PREMATURE_EVICTION,
-                                static_cast<uint32_t>(age.ToSeconds() / 60));
+          glean::dns::by_type_premature_eviction.AccumulateRawDuration(age);
         }
       }
     }

netwerk/dns/TRR.cpp

@@ -39,6 +39,7 @@
 #include "mozilla/Maybe.h"
 #include "mozilla/Preferences.h"
 #include "mozilla/StaticPrefs_network.h"
+#include "mozilla/glean/NetwerkDnsMetrics.h"
 #include "mozilla/Telemetry.h"
 #include "mozilla/TimeStamp.h"
 #include "mozilla/Tokenizer.h"
@@ -993,7 +994,7 @@ void TRR::RecordProcessingTime(nsIChannel* aChannel) {
     return;
   }
 
-  Telemetry::AccumulateTimeDelta(Telemetry::DNS_TRR_PROCESSING_TIME, end);
+  glean::dns::trr_processing_time.AccumulateRawDuration(TimeStamp::Now() - end);
 
   LOG(("Processing DoH response took %f ms",
        (TimeStamp::Now() - end).ToMilliseconds()));