Create NavigationHandles for interstitials if needed

content/browser/frame_host/navigation_handle_impl.cc

 // Copyright 2015 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/browser/frame_host/navigation_handle_impl.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "content/browser/browsing_data/clear_site_data_throttle.h"
@@ skipping 578 matching lines @@
   // No code after running the callback, as it might have resulted in our
   // destruction.
 }
 
 void NavigationHandleImpl::RegisterNavigationThrottles() {
   // Register the navigation throttles. The ScopedVector returned by
   // GetNavigationThrottles is not assigned to throttles_ directly because it
   // would overwrite any throttle previously added with
   // RegisterThrottleForTesting.
   ScopedVector<NavigationThrottle> throttles_to_register =
-      GetContentClient()->browser()->CreateThrottlesForNavigation(this);
+      GetDelegate()->CreateThrottlesForNavigation(this);
   std::unique_ptr<NavigationThrottle> devtools_throttle =
       RenderFrameDevToolsAgentHost::CreateThrottleForNavigation(this);
   if (devtools_throttle)
     throttles_to_register.push_back(std::move(devtools_throttle));
 
   std::unique_ptr<NavigationThrottle> clear_site_data_throttle =
       ClearSiteDataThrottle::CreateThrottleForNavigation(this);
   if (clear_site_data_throttle)
     throttles_to_register.push_back(std::move(clear_site_data_throttle));
 
   if (throttles_to_register.size() > 0) {
     throttles_.insert(throttles_.begin(), throttles_to_register.begin(),
                       throttles_to_register.end());
     throttles_to_register.weak_clear();
   }
 }
 
 }  // namespace content