[Autofill] Fast fix of crashes caused by show-autofill-signatures flag.

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 <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 1035 matching lines @@
   // Checks whether the webpage is a redirect page or an empty page.
   if (form_util::IsWebpageEmpty(frame)) {
     if (logger) {
       logger->LogMessage(Logger::STRING_WEBPAGE_EMPTY);
     }
     return;
   }
 
   blink::WebVector<blink::WebFormElement> forms;
   frame->document().forms(forms);
-  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kShowAutofillSignatures)) {
     AnnotateFormsWithSignatures(forms);
   }
   if (logger)
     logger->LogNumber(Logger::STRING_NUMBER_OF_ALL_FORMS, forms.size());
 
   std::vector<PasswordForm> password_forms;
   for (const blink::WebFormElement& form : forms) {
     if (only_visible) {
       bool is_form_visible = form_util::AreFormContentsVisible(form);
@@ skipping 522 matching lines @@
 PasswordAutofillAgent::GetPasswordManagerDriver() {
   if (!password_manager_driver_) {
     render_frame()->GetRemoteInterfaces()->GetInterface(
         mojo::MakeRequest(&password_manager_driver_));
   }
 
   return password_manager_driver_;
 }
 
 }  // namespace autofill