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

chrome/renderer/autofill/password_generation_test_utils.cc

Index: chrome/renderer/autofill/password_generation_test_utils.cc
diff --git a/chrome/renderer/autofill/password_generation_test_utils.cc b/chrome/renderer/autofill/password_generation_test_utils.cc
index d734037a4a762524537598981d3b9b981fdcf518..3b1c819bdb82f34f9c560a857be696c60248907b 100644
--- a/chrome/renderer/autofill/password_generation_test_utils.cc
+++ b/chrome/renderer/autofill/password_generation_test_utils.cc
@@ -6,7 +6,7 @@
 
 #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"
@@ -21,7 +21,8 @@
   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
@@ -42,7 +43,8 @@
   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