chromeos: converts WindowState to aura::Window

ash/wm/overview/window_grid.cc

Index: ash/wm/overview/window_grid.cc
diff --git a/ash/wm/overview/window_grid.cc b/ash/wm/overview/window_grid.cc
index 491f773bbb1409bc8b4c2881acdc662062ff0c93..7094f969106685a1aedecf01deecde38a996d927 100644
--- a/ash/wm/overview/window_grid.cc
+++ b/ash/wm/overview/window_grid.cc
@@ -625,11 +625,11 @@ void WindowGrid::OnPostWindowStateTypeChange(wm::WindowState* window_state,
   if (IsMinimizedStateType(old_type) == IsMinimizedStateType(new_type))
     return;
 
-  auto iter =
-      std::find_if(window_list_.begin(), window_list_.end(),
-                   [window_state](std::unique_ptr<WindowSelectorItem>& item) {
-                     return item->Contains(window_state->window());
-                   });
+  auto iter = std::find_if(
+      window_list_.begin(), window_list_.end(),
+      [window_state](std::unique_ptr<WindowSelectorItem>& item) {
+        return item->Contains(WmWindow::Get(window_state->window()));
+      });
   if (iter != window_list_.end()) {
     (*iter)->OnMinimizedStateChanged();
     PositionWindows(false);