PlzNavigate: Refactor unit test helper functions

content/test/test_navigation_url_loader.cc

+// Copyright (c) 2014 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 "content/test/test_navigation_url_loader.h"
+
+#include "content/browser/loader/navigation_url_loader_delegate.h"
+#include "content/public/browser/stream_handle.h"
+
+namespace content {
+
+TestNavigationURLLoader::TestNavigationURLLoader(
+    const CommonNavigationParams& common_params,
+    scoped_ptr<NavigationRequestInfo> request_info,
+    NavigationURLLoaderDelegate* delegate)
+    : common_params_(common_params),
+      request_info_(request_info.Pass()),
+      delegate_(delegate),
+      redirect_count_(0) {
+}
+
+void TestNavigationURLLoader::FollowRedirect() {
+  redirect_count_++;
+}
+
+void TestNavigationURLLoader::CallOnRequestRedirected(
+    const net::RedirectInfo& redirect_info,
+    const scoped_refptr<ResourceResponse>& response) {
+  delegate_->OnRequestRedirected(redirect_info, response);
+}
+
+void TestNavigationURLLoader::CallOnResponseStarted(
+    const scoped_refptr<ResourceResponse>& response,
+    scoped_ptr<StreamHandle> body) {
+  delegate_->OnResponseStarted(response, body.Pass());
+}
+
+TestNavigationURLLoader::~TestNavigationURLLoader() {}
+
+}  // namespace content