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

components/autofill/content/renderer/test_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/test_autofill_agent.h"
+
+#include "components/autofill/content/renderer/password_autofill_agent.h"
+#include "components/autofill/content/renderer/password_generation_agent.h"
+#include "content/public/renderer/render_view.h"
+
+namespace autofill {
+
+TestAutofillAgent::TestAutofillAgent(
+    content::RenderView* render_view,
+    PasswordAutofillAgent* password_autofill_manager,
+    PasswordGenerationAgent* password_generation_agent)
+    : AutofillAgent(render_view,
+                    password_autofill_manager,
+                    password_generation_agent) {
+}
+
+TestAutofillAgent::~TestAutofillAgent() {
+}
+
+}  // namespace autofill