Index: ash/wm/overview/window_grid.cc |
diff --git a/ash/wm/overview/window_grid.cc b/ash/wm/overview/window_grid.cc |
index 8bad9f74aa77dc2295c16c8a6737a3deee166d0c..2358adec31d5708c6c6493c4c0c488ff53cfc126 100644 |
--- a/ash/wm/overview/window_grid.cc |
+++ b/ash/wm/overview/window_grid.cc |
@@ -642,7 +642,7 @@ void WindowGrid::InitShieldWidget() { |
// synonymous with a black shelf background. Update this code if that |
// assumption is no longer valid. |
const float initial_opacity = |
- (WmShelf::ForWindow(root_window_)->GetBackgroundType() == |
+ (WmShelf::ForWindow(root_window_->aura_window())->GetBackgroundType() == |
SHELF_BACKGROUND_MAXIMIZED) |
? 1.f |
: 0.f; |