[Password Manager] Unfriend PasswordAutofillAgentTest from PasswordAutofillAgent (clean-up).

components/autofill/content/renderer/test_password_autofill_agent.cc

Index: components/autofill/content/renderer/test_password_autofill_agent.cc
diff --git a/components/autofill/content/renderer/test_password_autofill_agent.cc b/components/autofill/content/renderer/test_password_autofill_agent.cc
index af2a543a308d54f51044fd1f254368e0b1d37e50..c9fa4aeda187bf6b1264260d9fc8ea9af19a57ac 100644
--- a/components/autofill/content/renderer/test_password_autofill_agent.cc
+++ b/components/autofill/content/renderer/test_password_autofill_agent.cc
@@ -17,4 +17,19 @@ bool TestPasswordAutofillAgent::OriginCanAccessPasswordManager(
   return true;
 }
 
+void TestPasswordAutofillAgent::SendPasswordForms(blink::WebFrame* frame,
+                                                  bool only_visible) {
+  PasswordAutofillAgent::SendPasswordForms(frame, only_visible);
+}
+
+bool TestPasswordAutofillAgent::OnMessageReceived(const IPC::Message& message) {
+  return PasswordAutofillAgent::OnMessageReceived(message);
+}
+
+void TestPasswordAutofillAgent::WillSubmitForm(
+    blink::WebLocalFrame* frame,
+    const blink::WebFormElement& form) {
+  PasswordAutofillAgent::WillSubmitForm(frame, form);
+}
+
 }  // namespace autofill