[Password Manager] Suppress UI when password generation is active

components/autofill/content/renderer/password_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/password_autofill_agent.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 820 matching lines @@
 
   if (iter == login_to_password_info_.end())
     return false;
 
   *password_info = &iter->second;
   return true;
 }
 
 bool PasswordAutofillAgent::ShowSuggestions(
     const blink::WebInputElement& element,
-    bool show_all) {
+    bool show_all,
+    bool generation_popup_showing) {
   const blink::WebInputElement* username_element;
   PasswordInfo* password_info;
   if (!FindPasswordInfoForElement(element, &username_element, &password_info))
     return false;
 
   // If autocomplete='off' is set on the form elements, no suggestion dialog
   // should be shown. However, return |true| to indicate that this is a known
   // password form and that the request to show suggestions has been handled (as
   // a no-op).
   if (!IsElementAutocompletable(element) ||
       !IsElementAutocompletable(password_info->password_field))
     return true;
 
   bool username_is_available =
       !username_element->isNull() && IsElementEditable(*username_element);
   // If the element is a password field, a popup should only be shown if there
   // is no username or the corresponding username element is not editable since
   // it is only in that case that the username element does not have a
   // suggestions popup.
   if (element.isPasswordField() && username_is_available)
     return true;
 
+  UMA_HISTOGRAM_BOOLEAN(
+      "PasswordManager.AutocompletePopupSuppressedByGeneration",
+      generation_popup_showing);
+
+  if (generation_popup_showing)
+    return false;
+
   // Chrome should never show more than one account for a password element since
   // this implies that the username element cannot be modified. Thus even if
   // |show_all| is true, check if the element in question is a password element
   // for the call to ShowSuggestionPopup.
   return ShowSuggestionPopup(
       password_info->fill_data,
       username_element->isNull() ? element : *username_element,
       show_all && !element.isPasswordField(), element.isPasswordField());
 }
 
@@ skipping 598 matching lines @@
 void PasswordAutofillAgent::LegacyPasswordAutofillAgent::DidStopLoading() {
   agent_->DidStopLoading();
 }
 
 void PasswordAutofillAgent::LegacyPasswordAutofillAgent::
     DidStartProvisionalLoad(blink::WebLocalFrame* navigated_frame) {
   agent_->LegacyDidStartProvisionalLoad(navigated_frame);
 }
 
 }  // namespace autofill