Get AcceleratorControllerTest working with mash

ash/mus/bridge/wm_window_mus.cc

Index: ash/mus/bridge/wm_window_mus.cc
diff --git a/ash/mus/bridge/wm_window_mus.cc b/ash/mus/bridge/wm_window_mus.cc
index 0418d4068f557cbe8801f3ac57dfa786223f7687..6cacd227501692b49bc54cd9c0066d5ecc97b77e 100644
--- a/ash/mus/bridge/wm_window_mus.cc
+++ b/ash/mus/bridge/wm_window_mus.cc
@@ -564,15 +564,19 @@ bool WmWindowMus::HasRestoreBounds() const {
 }
 
 bool WmWindowMus::CanMaximize() const {
-  return widget_ ? widget_->widget_delegate()->CanMaximize() : false;
+  return (GetResizeBehavior(window_) &
+          ::ui::mojom::kResizeBehaviorCanMaximize) != 0;
 }
 
 bool WmWindowMus::CanMinimize() const {
-  return widget_ ? widget_->widget_delegate()->CanMinimize() : false;
+  return (GetResizeBehavior(window_) &
+          ::ui::mojom::kResizeBehaviorCanMinimize) != 0;
 }
 
 bool WmWindowMus::CanResize() const {
-  return widget_ ? widget_->widget_delegate()->CanResize() : false;
+  return window_ &&
+         (GetResizeBehavior(window_) & ::ui::mojom::kResizeBehaviorCanResize) !=
+             0;
 }
 
 bool WmWindowMus::CanActivate() const {