Remove all blimp client code.

blimp/client/core/contents/fake_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/core/contents/fake_navigation_feature.h>
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/memory/ref_counted.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "url/gurl.h"
-
-namespace blimp {
-namespace client {
-
-FakeNavigationFeature::FakeNavigationFeature() {}
-
-FakeNavigationFeature::~FakeNavigationFeature() {}
-
-void FakeNavigationFeature::NavigateToUrlText(int tab_id,
-                                              const std::string& url_text) {
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(&FakeNavigationFeature::NotifyDelegateURLLoaded,
-                            base::Unretained(this), tab_id, url_text));
-}
-
-void FakeNavigationFeature::NotifyDelegateURLLoaded(
-    int tab_id,
-    const std::string& url_text) {
-  NavigationFeatureDelegate* delegate = FindDelegate(tab_id);
-  delegate->OnUrlChanged(tab_id, GURL(url_text));
-}
-
-}  // namespace client
-}  // namespace blimp