diff --git a/omaha_request_params.h b/omaha_request_params.h
index c8e26b5..1bebf1c 100644
--- a/omaha_request_params.h
+++ b/omaha_request_params.h
@@ -20,6 +20,7 @@
 #include <stdint.h>
 
 #include <string>
+#include <vector>
 
 #include <base/macros.h>
 #include <base/time/time.h>
@@ -53,7 +54,8 @@
         wall_clock_based_wait_enabled_(false),
         update_check_count_wait_enabled_(false),
         min_update_checks_needed_(kDefaultMinUpdateChecks),
-        max_update_checks_allowed_(kDefaultMaxUpdateChecks) {}
+        max_update_checks_allowed_(kDefaultMaxUpdateChecks),
+        is_install_(false) {}
 
   virtual ~OmahaRequestParams();
 
@@ -163,6 +165,12 @@
   inline int64_t max_update_checks_allowed() const {
     return max_update_checks_allowed_;
   }
+  inline void set_dlc_ids(const std::vector<std::string>& dlc_ids) {
+    dlc_ids_ = dlc_ids;
+  }
+  inline std::vector<std::string> dlc_ids() const { return dlc_ids_; }
+  inline void set_is_install(bool is_install) { is_install_ = is_install; }
+  inline bool is_install() const { return is_install_; }
 
   // Returns the app id corresponding to the current value of the
   // download channel.
@@ -328,6 +336,14 @@
   // When reading files, prepend root_ to the paths. Useful for testing.
   std::string root_;
 
+  // A list of DLC ID to install.
+  std::vector<std::string> dlc_ids_;
+
+  // This variable defines whether the payload is being installed in the current
+  // partition. At the moment, his is used for installing DLCs on the current
+  // active partition instead of the inactive partition.
+  bool is_install_;
+
   DISALLOW_COPY_AND_ASSIGN(OmahaRequestParams);
 };