Do not save passwords if the landing page has HTTP status 5xx or 4xx

components/password_manager/core/browser/password_manager_client.h

Index: components/password_manager/core/browser/password_manager_client.h
diff --git a/components/password_manager/core/browser/password_manager_client.h b/components/password_manager/core/browser/password_manager_client.h
index c265419edb6a0da61a6f3972e79aefe388c26b46..c19bd7913b5a4f6475cbdf3cb9da19f326f39b0b 100644
--- a/components/password_manager/core/browser/password_manager_client.h
+++ b/components/password_manager/core/browser/password_manager_client.h
@@ -114,6 +114,9 @@ class PasswordManagerClient {
   // displayed, and false otherwise.
   virtual bool IsLoggingActive() const;
 
+  // Returns true if last navigation page had HTTP error i.e 5XX or 4XX
+  virtual bool WasLastNavigationHTTPError() const;
+
   // Returns the authorization prompt policy to be used with the given form.
   // Only relevant on OSX.
   virtual PasswordStore::AuthorizationPromptPolicy GetAuthorizationPromptPolicy(