PlzNavigate: transmit redirect info to the renderer side

third_party/WebKit/public/web/WebDataSource.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 94 matching lines @@
   // Calling it later may confuse users, because JavaScript may have run and
   // the user may have already recorded the original value.
   virtual void setNavigationStartTime(double) = 0;
 
   // Sets timing and attributes of the navigation.
   // Ordinarily, they are determined in WebCore, but when the navigation is
   // handled by the client, they can be passed here.
   virtual void updateNavigation(double redirectStartTime,
                                 double redirectEndTime,
                                 double fetchStartTime,
-                                const WebVector<WebURL>& redirectChain) = 0;
+                                bool hasRedirect) = 0;
 
   // Allows the embedder to inject a filter that will be consulted for each
   // subsequent subresource load, and gets the final say in deciding whether
   // or not to allow the load. The passed-in filter object is deleted when the
   // datasource is destroyed or when a new filter is set.
   virtual void setSubresourceFilter(WebDocumentSubresourceFilter*) = 0;
 
  protected:
   ~WebDataSource() {}
 };
 
 }  // namespace blink
 
 #endif