Enable Search-key modifiers for extended key shortcuts.

ash/test/test_shell_delegate.cc

Index: ash/test/test_shell_delegate.cc
diff --git a/ash/test/test_shell_delegate.cc b/ash/test/test_shell_delegate.cc
index 2cc556b2a5e8eba746de7913809e66e950f124c9..f782c868e784258fb62012070f11628a32f1c497 100644
--- a/ash/test/test_shell_delegate.cc
+++ b/ash/test/test_shell_delegate.cc
@@ -27,7 +27,6 @@ TestShellDelegate::TestShellDelegate()
       screen_magnifier_type_(MAGNIFIER_OFF),
       user_logged_in_(true),
       can_lock_screen_(true),
-      is_search_key_acting_as_function_key_(false),
       num_exit_requests_(0) {
 }
 
@@ -200,10 +199,6 @@ aura::client::StackingClient* TestShellDelegate::CreateStackingClient() {
   return new StackingController;
 }
 
-bool TestShellDelegate::IsSearchKeyActingAsFunctionKey() const {
-  return is_search_key_acting_as_function_key_;
-}
-
 RootWindowHostFactory* TestShellDelegate::CreateRootWindowHostFactory() {
   return RootWindowHostFactory::Create();
 }