Send UMA recording state to TranslateRanker.

ios/chrome/browser/translate/translate_ranker_metrics_provider.cc

Index: ios/chrome/browser/translate/translate_ranker_metrics_provider.cc
diff --git a/ios/chrome/browser/translate/translate_ranker_metrics_provider.cc b/ios/chrome/browser/translate/translate_ranker_metrics_provider.cc
index f8039ec6b73861f55188d4d258b7607d2a49e981..1cbf06168504c87ac1f75f5a531cb9467f6584b6 100644
--- a/ios/chrome/browser/translate/translate_ranker_metrics_provider.cc
+++ b/ios/chrome/browser/translate/translate_ranker_metrics_provider.cc
@@ -22,8 +22,7 @@ void TranslateRankerMetricsProvider::ProvideGeneralMetrics(
           ->GetChromeBrowserStateManager()
           ->GetLoadedBrowserStates();
   for (auto* state : browser_states) {
-    TranslateRanker* ranker =
-        TranslateRankerFactory::GetInstance()->GetForBrowserState(state);
+    TranslateRanker* ranker = TranslateRankerFactory::GetForBrowserState(state);
     DCHECK(ranker);
     std::vector<metrics::TranslateEventProto> translate_events;
     ranker->FlushTranslateEvents(&translate_events);
@@ -34,4 +33,24 @@ void TranslateRankerMetricsProvider::ProvideGeneralMetrics(
   }
 }
 
+void TranslateRankerMetricsProvider::SetLoggingState(bool logging_enabled) {
+  std::vector<ios::ChromeBrowserState*> browser_states =
+      GetApplicationContext()
+          ->GetChromeBrowserStateManager()
+          ->GetLoadedBrowserStates();
+  for (auto* state : browser_states) {
+    TranslateRanker* ranker = TranslateRankerFactory::GetForBrowserState(state);
+    DCHECK(ranker);
+    ranker->EnableLogging(logging_enabled);
+  }
+}
+
+void TranslateRankerMetricsProvider::OnRecordingEnabled() {
+  SetLoggingState(true);
+}
+
+void TranslateRankerMetricsProvider::OnRecordingDisabled() {
+  SetLoggingState(false);
+}
+
 }  // namespace translate