Convert HistoryTabHelper to use the new navigation callbacks.

content/common/navigation_params.h

 // Copyright 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.
 
 #ifndef CONTENT_COMMON_NAVIGATION_PARAMS_H_
 #define CONTENT_COMMON_NAVIGATION_PARAMS_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 153 matching lines @@
   blink::WebMixedContentContextType mixed_content_context_type;
 
   // See WebSearchableFormData for a description of these.
   GURL searchable_form_url;
   std::string searchable_form_encoding;
 
   // Indicates the initiator of the request. In auxilliary navigations, this is
   // the origin of the document that triggered the navigation. This parameter
   // can be null during browser-initiated navigations.
   base::Optional<url::Origin> initiator_origin;
+
+  // If the transition type is a client side redirect, then this holds the URL
+  // of the page that had the client side redirect.
+  GURL client_side_redirect_url;
 };
 
 // Provided by the browser -----------------------------------------------------
 //
 // These structs are sent by the browser to the renderer to start/commit a
 // navigation depending on whether browser-side navigation is enabled.
 // Parameters used both in the current architecture and PlzNavigate should be
 // put in RequestNavigationParams.  Parameters only used by the current
 // architecture should go in StartNavigationParams.
 
@@ skipping 170 matching lines @@
   ~NavigationParams();
 
   CommonNavigationParams common_params;
   StartNavigationParams start_params;
   RequestNavigationParams request_params;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_NAVIGATION_PARAMS_H_