Password manager should autofill a dynamic form added and processed before the page was loaded.

components/autofill/content/renderer/autofill_agent.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/autofill/content/renderer/autofill_agent.h"
 
 #include <stddef.h>
 
 #include <tuple>
 
@@ skipping 719 matching lines @@
   is_generation_popup_possibly_visible_ = false;
 
   GetAutofillDriver()->HidePopup();
 }
 
 bool AutofillAgent::IsUserGesture() const {
   return WebUserGestureIndicator::IsProcessingUserGesture();
 }
 
 void AutofillAgent::DidAssociateFormControlsDynamically() {
-  blink::WebLocalFrame* frame = render_frame()->GetWebFrame();
-
-  // Frame is only processed if it has finished loading, otherwise you can end
-  // up with a partially parsed form.
-  if (frame && !frame->IsLoading()) {
-    ProcessForms();
-    password_autofill_agent_->OnDynamicFormsSeen();
-    if (password_generation_agent_)
-      password_generation_agent_->OnDynamicFormsSeen();
-  }
+  // If the control flow is here than the document was at least loaded. The
+  // whole page doesn't have to be loaded.
+  ProcessForms();
+  password_autofill_agent_->OnDynamicFormsSeen();
+  if (password_generation_agent_)
+    password_generation_agent_->OnDynamicFormsSeen();
 }
 
 void AutofillAgent::DidCompleteFocusChangeInFrame() {
   WebDocument doc = render_frame()->GetWebFrame()->GetDocument();
   WebElement focused_element;
   if (!doc.IsNull())
     focused_element = doc.FocusedElement();
   // PasswordGenerationAgent needs to know about focus changes, even if there is
   // no focused element.
   if (password_generation_agent_ &&
@@ skipping 28 matching lines @@
   return autofill_driver_;
 }
 
 const mojom::PasswordManagerDriverPtr&
 AutofillAgent::GetPasswordManagerDriver() {
   DCHECK(password_autofill_agent_);
   return password_autofill_agent_->GetPasswordManagerDriver();
 }
 
 }  // namespace autofill