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-rw-r--r--ash/display/display_controller.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/ash/display/display_controller.h b/ash/display/display_controller.h
index 67df6d3..22d92bd 100644
--- a/ash/display/display_controller.h
+++ b/ash/display/display_controller.h
@@ -181,6 +181,10 @@ class ASH_EXPORT DisplayController : public gfx::DisplayObserver {
ObserverList<Observer> observers_;
+ // Store the primary root window temporarily while replacing
+ // display.
+ aura::RootWindow* primary_root_window_for_replace_;
+
DISALLOW_COPY_AND_ASSIGN(DisplayController);
};