[Password Manager] Send a request to the password store if there is a password field on a page

components/autofill/content/renderer/password_autofill_agent.h

Index: components/autofill/content/renderer/password_autofill_agent.h
diff --git a/components/autofill/content/renderer/password_autofill_agent.h b/components/autofill/content/renderer/password_autofill_agent.h
index 6447d3a8d2926bc2b282e4afac122fbd878a5dd5..486e8eb34e3202f29e56a32a4083a2098f530edc 100644
--- a/components/autofill/content/renderer/password_autofill_agent.h
+++ b/components/autofill/content/renderer/password_autofill_agent.h
@@ -283,6 +283,9 @@ class PasswordAutofillAgent : public content::RenderFrameObserver,
   // True indicates that the password field was autofilled, false otherwise.
   bool was_password_autofilled_;
 
+  // True indicates that a request for credentials has been sent to the store.
+  bool sent_request_to_store_;
+
   // Records the username typed before suggestions preview.
   base::string16 username_query_prefix_;