AU: pass whether or not we can tolerate a delta to the server

omaha_request_params.h

 // Copyright (c) 2010 The Chromium OS 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 CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_REQUEST_PARAMS_H__
 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_REQUEST_PARAMS_H__
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 11 matching lines @@
   OmahaRequestParams(const std::string& in_machine_id,
                      const std::string& in_user_id,
                      const std::string& in_os_platform,
                      const std::string& in_os_version,
                      const std::string& in_os_sp,
                      const std::string& in_os_board,
                      const std::string& in_app_id,
                      const std::string& in_app_version,
                      const std::string& in_app_lang,
                      const std::string& in_app_track,
+                     const bool in_delta_okay,
                      const std::string& in_update_url)
       : machine_id(in_machine_id),
         user_id(in_user_id),
         os_platform(in_os_platform),
         os_version(in_os_version),
         os_sp(in_os_sp),
         os_board(in_os_board),
         app_id(in_app_id),
         app_version(in_app_version),
         app_lang(in_app_lang),
         app_track(in_app_track),
+        delta_okay(in_delta_okay),
         update_url(in_update_url) {}
 
   std::string machine_id;
   std::string user_id;
   std::string os_platform;
   std::string os_version;
   std::string os_sp;
   std::string os_board;
   std::string app_id;
   std::string app_version;
   std::string app_lang;
   std::string app_track;
+  bool delta_okay;  // If this client can accept a delta
 
   std::string update_url;
 
   // Suggested defaults
   static const char* const kAppId;
   static const char* const kOsPlatform;
   static const char* const kOsVersion;
   static const char* const kUpdateUrl;
 };
 
@@ skipping 23 matching lines @@
 
   // When reading files, prepend root_ to the paths. Useful for testing.
   std::string root_;
 
   DISALLOW_COPY_AND_ASSIGN(OmahaRequestDeviceParams);
 };
 
 }  // namespace chromeos_update_engine
 
 #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_REQUEST_PARAMS_H__