Enable password saving for dynamic password forms

components/autofill/content/renderer/password_autofill_agent.cc

Index: components/autofill/content/renderer/password_autofill_agent.cc
diff --git a/components/autofill/content/renderer/password_autofill_agent.cc b/components/autofill/content/renderer/password_autofill_agent.cc
index 4782b11d10422672ea8bd8f15cff3e352bad6722..58a1d414c704b137524218441506693d1aac173a 100644
--- a/components/autofill/content/renderer/password_autofill_agent.cc
+++ b/components/autofill/content/renderer/password_autofill_agent.cc
@@ -354,6 +354,10 @@ bool PasswordAutofillAgent::OriginCanAccessPasswordManager(
   return origin.canAccessPasswordManager();
 }
 
+void PasswordAutofillAgent::OnDynamicFormsSeen(WebKit::WebFrame* frame) {
+  SendPasswordForms(frame, false /* only_visible */);
+}
+
 void PasswordAutofillAgent::SendPasswordForms(WebKit::WebFrame* frame,
                                               bool only_visible) {
   // Make sure that this security origin is allowed to use password manager.