Extract NavigationManagerImpl interface for navigation experiment.

ios/web/net/crw_ssl_status_updater_unittest.mm

 // 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.
 
 #import "ios/web/net/crw_ssl_status_updater.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_block.h"
 #include "base/strings/sys_string_conversions.h"
 #import "ios/web/navigation/crw_session_controller+private_constructors.h"
 #import "ios/web/navigation/crw_session_controller.h"
+#import "ios/web/navigation/legacy_navigation_manager_impl.h"
 #import "ios/web/navigation/navigation_manager_impl.h"
 #import "ios/web/public/navigation_item.h"
 #include "ios/web/public/ssl_status.h"
 #include "ios/web/public/test/web_test.h"
 #import "ios/web/web_state/wk_web_view_security_util.h"
 #include "net/cert/x509_util_ios_and_mac.h"
 #include "net/test/cert_test_util.h"
 #include "net/test/test_data_directory.h"
 #include "third_party/ocmock/OCMock/OCMock.h"
 #include "third_party/ocmock/gtest_support.h"
@@ skipping 57 matching lines @@
 // Test fixture to test CRWSSLStatusUpdater class.
 class CRWSSLStatusUpdaterTest : public web::WebTest {
  protected:
   void SetUp() override {
     web::WebTest::SetUp();
 
     data_source_ = [[CRWSSLStatusUpdaterTestDataSource alloc] init];
     delegate_ =
         [OCMockObject mockForProtocol:@protocol(CRWSSLStatusUpdaterDelegate)];
 
-    nav_manager_.reset(new NavigationManagerImpl());
+    nav_manager_.reset(new LegacyNavigationManagerImpl());
     nav_manager_->SetBrowserState(GetBrowserState());
 
     ssl_status_updater_ =
         [[CRWSSLStatusUpdater alloc] initWithDataSource:data_source_
                                       navigationManager:nav_manager_.get()];
     [ssl_status_updater_ setDelegate:delegate_];
 
     // Create test cert chain.
     scoped_refptr<net::X509Certificate> cert =
         net::ImportCertFromFile(net::GetTestCertsDirectory(), kCertFileName);
@@ skipping 269 matching lines @@
   [data_source_
       finishVerificationWithCertStatus:0
                          securityStyle:web::SECURITY_STYLE_AUTHENTICATED];
 
   // Make sure that security style and content status did change.
   EXPECT_EQ(web::SECURITY_STYLE_UNKNOWN, item->GetSSL().security_style);
   EXPECT_EQ(web::SSLStatus::NORMAL_CONTENT, item->GetSSL().content_status);
 }
 
 }  // namespace web