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      1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef NET_URL_REQUEST_URL_REQUEST_THROTTLER_HEADER_INTERFACE_H_
      6 #define NET_URL_REQUEST_URL_REQUEST_THROTTLER_HEADER_INTERFACE_H_
      7 
      8 #include <string>
      9 
     10 namespace net {
     11 
     12 // Interface to an HTTP header to enforce we have the methods we need.
     13 class URLRequestThrottlerHeaderInterface {
     14  public:
     15   virtual ~URLRequestThrottlerHeaderInterface() {}
     16 
     17   // Method that enables us to fetch the header value by its key.
     18   // ex: location: www.example.com -> key = "location" value = "www.example.com"
     19   // If the key does not exist, it returns an empty string.
     20   virtual std::string GetNormalizedValue(const std::string& key) const = 0;
     21 
     22   // Returns the HTTP response code associated with the request.
     23   virtual int GetResponseCode() const = 0;
     24 };
     25 
     26 }  // namespace net
     27 
     28 #endif  // NET_URL_REQUEST_URL_REQUEST_THROTTLER_HEADER_INTERFACE_H_
     29