Use correct origin when prompting for proxy authentication.

net/base/auth.h

 // Copyright (c) 2011 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 NET_BASE_AUTH_H__
 #define NET_BASE_AUTH_H__
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
-#include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
+#include "url/origin.h"
 
 namespace net {
 
 // Holds info about an authentication challenge that we may want to display
 // to the user.
 class NET_EXPORT AuthChallengeInfo :
     public base::RefCountedThreadSafe<AuthChallengeInfo> {
  public:
   AuthChallengeInfo();
 
   // Determines whether two AuthChallengeInfo's are equivalent.
   bool Equals(const AuthChallengeInfo& other) const;
 
   // Whether this came from a server or a proxy.
   bool is_proxy;
 
   // The service issuing the challenge.
-  HostPortPair challenger;
+  url::Origin challenger;
 
   // The authentication scheme used, such as "basic" or "digest". If the
   // |source| is FTP_SERVER, this is an empty string. The encoding is ASCII.
   std::string scheme;
 
   // The realm of the challenge. May be empty. The encoding is UTF-8.
   std::string realm;
 
  private:
   friend class base::RefCountedThreadSafe<AuthChallengeInfo>;
@@ skipping 56 matching lines @@
   AuthData();
 
  private:
   friend class base::RefCountedThreadSafe<AuthData>;
   ~AuthData();
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_AUTH_H__