[ImportantStorage] Blacklisted reason metrics

chrome/browser/android/preferences/important_sites_util.h

Index: chrome/browser/android/preferences/important_sites_util.h
diff --git a/chrome/browser/android/preferences/important_sites_util.h b/chrome/browser/android/preferences/important_sites_util.h
index d174d3b687c8241d0b84c10a98cd9949af471fb7..5aae87d6a716e89a2df97070a9f7e6236f9a1663 100644
--- a/chrome/browser/android/preferences/important_sites_util.h
+++ b/chrome/browser/android/preferences/important_sites_util.h
@@ -28,6 +28,10 @@ class ImportantSitesUtil {
       size_t max_results,
       std::vector<GURL>* optional_example_origins);
 
+  static void RecordMetricsForBlacklistedSites(
+      Profile* profile,
+      std::vector<std::string> blacklisted_sites);
+
   // This marks the given origin as important so we can test features that rely
   // on important sites.
   static void MarkOriginAsImportantForTesting(Profile* profile,