Component updater: send extra attributes in the request to

chrome/browser/component_updater/component_updater_service.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 CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_SERVICE_H_
 #define CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_SERVICE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 83 matching lines @@
     // Delay in seconds from calling Start() to the first update check.
     virtual int InitialDelay() = 0;
     // Delay in seconds to every subsequent update check. 0 means don't check.
     virtual int NextCheckDelay() = 0;
     // Delay in seconds from each task step. Used to smooth out CPU/IO usage.
     virtual int StepDelay() = 0;
     // Minimun delta time in seconds before checking again the same component.
     virtual int MinimumReCheckWait() = 0;
     // The url that is going to be used update checks over Omaha protocol.
     virtual GURL UpdateUrl() = 0;
+    // Parameters added to each url request. It can be null if none are needed.
+    virtual const char* ExtraRequestParams() = 0;
     // How big each update request can be. Don't go above 2000.
     virtual size_t UrlSizeLimit() = 0;
     // The source of contexts for all the url requests.
     virtual net::URLRequestContextGetter* RequestContext() = 0;
     // True means that all ops are peformed in this process.
     virtual bool InProcess() = 0;
     // The component updater will call this function when an interesting event
     // happens. It should be used mostly as a place to add application specific
     // logging or telemetry. |extra| is |event| dependent.
     virtual void OnEvent(Events event, int extra) = 0;
@@ skipping 14 matching lines @@
   virtual ~ComponentUpdateService() {}
 };
 
 // Creates the component updater. You must pass a valid |config| allocated on
 // the heap which the component updater will own.
 ComponentUpdateService* ComponentUpdateServiceFactory(
     ComponentUpdateService::Configurator* config);
 
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_SERVICE_H_