autofill: save pasted passwords on Mac

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 <tuple>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 368 matching lines @@
 }
 
 void AutofillAgent::textFieldDidEndEditing(const WebInputElement& element) {
   password_autofill_agent_->TextFieldDidEndEditing(element);
   has_shown_autofill_popup_for_current_edit_ = false;
   Send(new AutofillHostMsg_DidEndTextFieldEditing(routing_id()));
 }
 
 void AutofillAgent::textFieldDidChange(const WebFormControlElement& element) {
   DCHECK(toWebInputElement(&element) || form_util::IsTextAreaElement(element));
+
   if (ignore_text_changes_)
     return;
 
-  if (!IsUserGesture())
+  // Disregard text changes that aren't caused by user gestures or pastes. Note
+  // that pastes aren't necessarily user gestures because Blink's conception of
+  // user gestures is centered around creating new windows/tabs.
+  if (!IsUserGesture() && !render_frame()->IsPasting())
     return;
 
   // We post a task for doing the Autofill as the caret position is not set
   // properly at this point (http://bugs.webkit.org/show_bug.cgi?id=16976) and
   // it is needed to trigger autofill.
   weak_ptr_factory_.InvalidateWeakPtrs();
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&AutofillAgent::TextFieldDidChangeImpl,
                             weak_ptr_factory_.GetWeakPtr(), element));
 }
@@ skipping 412 matching lines @@
 
 void AutofillAgent::LegacyAutofillAgent::OnDestruct() {
   // No-op. Don't delete |this|.
 }
 
 void AutofillAgent::LegacyAutofillAgent::FocusChangeComplete() {
   agent_->FocusChangeComplete();
 }
 
 }  // namespace autofill