[rlz,cros] RLZ glue for ChromeOS.

chrome/browser/chromeos/login/screen_observer.h

Index: chrome/browser/chromeos/login/screen_observer.h
diff --git a/chrome/browser/chromeos/login/screen_observer.h b/chrome/browser/chromeos/login/screen_observer.h
index d2ab39b62a6ec41029ca5ceb573648851cb3ffb1..4cd99735b02f893495b997e82741bbac6d926b00 100644
--- a/chrome/browser/chromeos/login/screen_observer.h
+++ b/chrome/browser/chromeos/login/screen_observer.h
@@ -49,10 +49,14 @@ class ScreenObserver {
   virtual void OnSetUserNamePassword(const std::string& username,
                                      const std::string& password) = 0;
 
-  // Set/get usage statistics reporting checkbox status on EULA screen.
+  // Whether usage statistics reporting is enabled on EULA screen.
   virtual void SetUsageStatisticsReporting(bool val) = 0;
   virtual bool GetUsageStatisticsReporting() const = 0;
 
+  // Whether RLZ tracking is enabled on EULA screen.
+  virtual void SetRlzEnabled(bool val) = 0;
+  virtual bool GetRlzEnabled() const = 0;
+
  protected:
   virtual ~ScreenObserver() {}
 };