Add UMA metrics to phishguard pings

components/safe_browsing/password_protection/password_protection_service.cc

Index: components/safe_browsing/password_protection/password_protection_service.cc
diff --git a/components/safe_browsing/password_protection/password_protection_service.cc b/components/safe_browsing/password_protection/password_protection_service.cc
index ee3af7cda3a1918f2f4612517faa78cbaa57bd5f..8d560cbbc04bb6465320a0cbdfcfafc35974d680 100644
--- a/components/safe_browsing/password_protection/password_protection_service.cc
+++ b/components/safe_browsing/password_protection/password_protection_service.cc
@@ -70,6 +70,11 @@ const base::Feature kPasswordFieldOnFocusPinging{
 const base::Feature kProtectedPasswordEntryPinging{
     "ProtectedPasswordEntryPinging", base::FEATURE_DISABLED_BY_DEFAULT};
 
+const char kPasswordOnFocusRequestOutcomeHistogramName[] =
+    "PasswordProtection.RequestOutcome.PasswordFieldOnFocus";
+const char kPasswordEntryRequestOutcomeHistogramName[] =
+    "PasswordProtection.RequestOutcome.ProtectedPasswordEntry";
+
 PasswordProtectionService::PasswordProtectionService(
     const scoped_refptr<SafeBrowsingDatabaseManager>& database_manager,
     scoped_refptr<net::URLRequestContextGetter> request_context_getter,
@@ -216,7 +221,7 @@ void PasswordProtectionService::StartRequest(
   requests_.insert(std::move(request));
 }
 
-void PasswordProtectionService::MaybeStartLowReputationRequest(
+void PasswordProtectionService::MaybeStartPasswordFieldOnFocusRequest(
     const GURL& main_frame_url,
     const GURL& password_form_action,
     const GURL& password_form_frame_url) {