Set the 3 times suppress threshold for the smart password bubble.

components/password_manager/core/browser/password_bubble_experiment.cc

Index: components/password_manager/core/browser/password_bubble_experiment.cc
diff --git a/components/password_manager/core/browser/password_bubble_experiment.cc b/components/password_manager/core/browser/password_bubble_experiment.cc
index 0339782f312352ef5bddea3cfb2f148b89fa806a..4a5b6f5fa7c46b14fb4cc7b17a23441da738cafd 100644
--- a/components/password_manager/core/browser/password_bubble_experiment.cc
+++ b/components/password_manager/core/browser/password_bubble_experiment.cc
@@ -46,7 +46,8 @@ int GetSmartBubbleDismissalThreshold() {
   std::string param = variations::GetVariationParamValue(
       kSmartBubbleExperimentName, kSmartBubbleThresholdParam);
   int threshold = 0;
-  return base::StringToInt(param, &threshold) ? threshold : 0;
+  // 3 is the default magic number that proved to show the best result.
+  return base::StringToInt(param, &threshold) ? threshold : 3;
 }
 
 bool IsSmartLockUser(const sync_driver::SyncService* sync_service) {