Revert of [Autofill] Migrate ContentPasswordManagerDriver<-->Password{Autofill,Generation}Agent IPCs to mojo.

chrome/renderer/autofill/password_generation_test_utils.cc

 // Copyright 2015 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 "chrome/renderer/autofill/password_generation_test_utils.h"
 
 #include <vector>
 
-#include "base/strings/stringprintf.h"
+#include "components/autofill/content/common/autofill_messages.h"
 #include "components/autofill/content/renderer/form_autofill_util.h"
 #include "components/autofill/content/renderer/test_password_generation_agent.h"
 #include "components/autofill/core/common/password_form_generation_data.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFormElement.h"
 
 namespace autofill {
 
 void SetNotBlacklistedMessage(TestPasswordGenerationAgent* generation_agent,
                               const char* form_str) {
   autofill::PasswordForm form;
   form.origin =
       GURL(base::StringPrintf("data:text/html;charset=utf-8,%s", form_str));
-  generation_agent->FormNotBlacklisted(form);
+  AutofillMsg_FormNotBlacklisted msg(0, form);
+  static_cast<IPC::Listener*>(generation_agent)->OnMessageReceived(msg);
 }
 
 // Sends a message that the |form_index| form on the page is valid for
 // account creation.
 void SetAccountCreationFormsDetectedMessage(
     TestPasswordGenerationAgent* generation_agent,
     blink::WebDocument document,
     int form_index,
     int field_index) {
   blink::WebVector<blink::WebFormElement> web_forms;
   document.forms(web_forms);
 
   autofill::FormData form_data;
   WebFormElementToFormData(
       web_forms[form_index], blink::WebFormControlElement(), nullptr,
       form_util::EXTRACT_NONE, &form_data, nullptr /* FormFieldData */);
 
   std::vector<autofill::PasswordFormGenerationData> forms;
   forms.push_back(autofill::PasswordFormGenerationData{
       form_data.name, form_data.action, form_data.fields[field_index]});
-  generation_agent->FoundFormsEligibleForGeneration(forms);
+  AutofillMsg_FoundFormsEligibleForGeneration msg(0, forms);
+  static_cast<IPC::Listener*>(generation_agent)->OnMessageReceived(msg);
 }
 
 }  // namespace autofill