Send traffic-management headers from extension updater.

components/update_client/update_query_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 COMPONENTS_UPDATE_CLIENT_UPDATE_QUERY_PARAMS_H_
 #define COMPONENTS_UPDATE_CLIENT_UPDATE_QUERY_PARAMS_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 30 matching lines @@
   // Returns the value we use for the "arch=" parameter. Possible return values
   // include: "x86", "x64", and "arm".
   static const char* GetArch();
 
   // Returns the value we use for the "nacl_arch" parameter. Note that this may
   // be different from the "arch" parameter above (e.g. one may be 32-bit and
   // the other 64-bit). Possible return values include: "x86-32", "x86-64",
   // "arm", and "mips32".
   static const char* GetNaclArch();
 
+  // Returns the current version of Chrome/Chromium.
+  static std::string GetProdVersion();
+
   // Use this delegate.
   static void SetDelegate(UpdateQueryParamsDelegate* delegate);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(UpdateQueryParams);
 };
 
 }  // namespace update_client
 
 #endif  // COMPONENTS_UPDATE_CLIENT_UPDATE_QUERY_PARAMS_H_