Added usage of ScreenContext in EulaScreen.

chrome/browser/chromeos/login/screens/base_screen.h

Index: chrome/browser/chromeos/login/screens/base_screen.h
diff --git a/chrome/browser/chromeos/login/screens/base_screen.h b/chrome/browser/chromeos/login/screens/base_screen.h
index 2cbde5956edd99ef67f578aa3b7dfb7dd9154084..cc3c197b32295aef7eaa8d6bc2cbbb934faf770a 100644
--- a/chrome/browser/chromeos/login/screens/base_screen.h
+++ b/chrome/browser/chromeos/login/screens/base_screen.h
@@ -73,6 +73,11 @@ class BaseScreen {
   // Returns the identifier of the screen.
   virtual std::string GetID() const;
 
+  // Called when context for the currenct screen was
+  // changed. Notification about this event comes from the JS
+  // counterpart.

[Denis Kuznetsov (DE-MUC), 2014/11/25 17:31:16]

Please keep it protected, use friend classes instead.

[ygorshenin1, 2014/11/26 11:45:40]

Done.

[ygorshenin1, 2014/11/26 11:45:40]

Done.

+  virtual void OnContextChanged(const base::DictionaryValue& diff);
+
  protected:
   // Screen can call this method to notify framework that it have finished
   // it's work with |outcome|.
@@ -82,11 +87,6 @@ class BaseScreen {
   // about this event comes from the JS counterpart.
   virtual void OnButtonPressed(const std::string& button_id);
 
-  // Called when context for the currenct screen was
-  // changed. Notification about this event comes from the JS
-  // counterpart.
-  virtual void OnContextChanged(const base::DictionaryValue* diff);
-
   BaseScreenDelegate* get_base_screen_delegate() const {
     return base_screen_delegate_;
   }