Distinguish G Suite accounts from regular gmail/googlemail accounts

components/safe_browsing/csd.proto

Index: components/safe_browsing/csd.proto
diff --git a/components/safe_browsing/csd.proto b/components/safe_browsing/csd.proto
index 132372dc71e3a4e1b1982ae91a6df8b5e0baebb1..d6b9d1f5fab18b98cb813a075c7030b455b7c8dc 100644
--- a/components/safe_browsing/csd.proto
+++ b/components/safe_browsing/csd.proto
@@ -216,6 +216,22 @@ message LoginReputationClientRequest {
 
     // Whether the reused password is used for Chrome signin.
     optional bool is_chrome_signin_password = 3;
+
+    // Sync account type. Only set if |is_chrome_signin_password| is true.
+    enum SyncAccountType {
+      // Not a sign-in user.
+      NOT_SIGNED_IN = 0;
+
+      // User signed in with @gmail.com account.
+      GMAIL = 1;
+
+      // User signed in with @google.com account.
+      GOOGLE = 2;
+
+      // User signed in with a dasher account.
+      DASHER = 3;
+    }
+    optional SyncAccountType sync_account_type = 4;
   }
 
   optional PasswordReuseEvent password_reuse_event = 4;