Allow TranslateRanker to override decisions taken by heuristics.

chrome/browser/translate/chrome_translate_client.cc

Index: chrome/browser/translate/chrome_translate_client.cc
diff --git a/chrome/browser/translate/chrome_translate_client.cc b/chrome/browser/translate/chrome_translate_client.cc
index 1ce6b9d25f7b215f340e3524a75a61bfe1af14a0..e8657fcf55b343355a9600da6d61514799789a8f 100644
--- a/chrome/browser/translate/chrome_translate_client.cc
+++ b/chrome/browser/translate/chrome_translate_client.cc
@@ -226,19 +226,18 @@ void ChromeTranslateClient::ShowTranslateUI(
     // In the new UI, continue offering translation after the user navigates to
     // another page.
     if (!base::FeatureList::IsEnabled(translate::kTranslateUI2016Q2) &&
-        !GetLanguageState().HasLanguageChanged()) {
-      translate_manager_->RecordTranslateEvent(
-          metrics::TranslateEventProto::MATCHES_PREVIOUS_LANGUAGE);
+        !GetLanguageState().HasLanguageChanged() &&
+        !translate_manager_->ShouldOverrideDecision(
+            metrics::TranslateEventProto::MATCHES_PREVIOUS_LANGUAGE)) {
       return;
     }
-
     if (!triggered_from_menu &&
-        GetTranslatePrefs()->IsTooOftenDenied(source_language)) {
-      translate_manager_->RecordTranslateEvent(
-          metrics::TranslateEventProto::LANGUAGE_DISABLED_BY_AUTO_BLACKLIST);
+        GetTranslatePrefs()->IsTooOftenDenied(source_language) &&
+        !translate_manager_->ShouldOverrideDecision(
+            metrics::TranslateEventProto::LANGUAGE_DISABLED_BY_AUTO_BLACKLIST))
       return;
-    }
   }
+
   ShowTranslateBubbleResult result = ShowBubble(step, error_type);
   if (result != ShowTranslateBubbleResult::SUCCESS &&
       step == translate::TRANSLATE_STEP_BEFORE_TRANSLATE) {