PlzNavigate: fix issue preventing navigations to WebUIs

content/browser/frame_host/navigator_impl.cc

 // Copyright 2013 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/navigator_impl.h"
 
 #include <utility>
 
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
@@ skipping 918 matching lines @@
 
   // If the request was canceled by the user do not show an error page.
   if (error_code == net::ERR_ABORTED) {
     frame_tree_node->ResetNavigationRequest(false);
     return;
   }
 
   // Select an appropriate renderer to show the error page.
   RenderFrameHostImpl* render_frame_host =
       frame_tree_node->render_manager()->GetFrameHostForNavigation(
-          *navigation_request);
-  CheckWebUIRendererDoesNotDisplayNormalURL(
+          navigation_request);
+
+  // Perform the appropriate checks for WebUIs.
+  NavigatorImpl::CheckWebUIRendererDoesNotDisplayNormalURL(
       render_frame_host, navigation_request->common_params().url);
+  if (!WebUIImpl::RenderProcessAllowedForURL(
+          render_frame_host->GetProcess(),
+          navigation_request->common_params().url)) {
+    frame_tree_node->ResetNavigationRequest(false);
+    return;
+  }
 
   navigation_request->TransferNavigationHandleOwnership(render_frame_host);
   render_frame_host->navigation_handle()->ReadyToCommitNavigation(
       render_frame_host);
   render_frame_host->FailedNavigation(navigation_request->common_params(),
                                       navigation_request->request_params(),
                                       has_stale_copy_in_cache, error_code);
 }
 
 // PlzNavigate
@@ skipping 212 matching lines @@
   if (pending_entry != controller_->GetVisibleEntry() ||
       !should_preserve_entry) {
     controller_->DiscardPendingEntry(true);
 
     // Also force the UI to refresh.
     controller_->delegate()->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
   }
 }
 
 }  // namespace content