Tied up BlimpNavigationController to NavigationFeature

blimp/client/feature/mock_navigation_feature.cc

+// Copyright 2016 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 "blimp/client/feature/mock_navigation_feature.h"
+
+namespace blimp {
+namespace client {
+
+MockNavigationFeature::MockNavigationFeature() {}
+
+MockNavigationFeature::~MockNavigationFeature() {}
+
+void MockNavigationFeature::NavigateToUrlText(int tab_id,
+                                              const std::string& url_text) {
+  NavigationFeatureDelegate* delegate = FindDelegate(tab_id);
+  delegate->OnUrlChanged(tab_id, GURL(url_text));

[nyquist, 2016/07/27 22:36:48]

This is a little bit weird. It directly calls the delegate instead of waiting.
Could this post instead, similarly to what the fake
blimp_navigation_controller_impl did before?

+}
+
+}  // namespace client
+}  // namespace blimp