Fix accelerator handling for in-menu buttons in the app menu.

chrome/browser/ui/views/toolbar/app_menu.cc

Index: chrome/browser/ui/views/toolbar/app_menu.cc
diff --git a/chrome/browser/ui/views/toolbar/app_menu.cc b/chrome/browser/ui/views/toolbar/app_menu.cc
index cd65d6aebf38a3079cb4d641bd89dffb7b951a05..f99f84aad2205665815ad70039c5b5deecfcbb47 100644
--- a/chrome/browser/ui/views/toolbar/app_menu.cc
+++ b/chrome/browser/ui/views/toolbar/app_menu.cc
@@ -301,6 +301,12 @@ class InMenuButton : public LabelButton {
     }
   }
 
+  // views::CustomButton
+  bool ShouldHandleAcceleratorWhenInactive() override {
+    // Menu buttons are inactive, so handle accelerator presses when inactive.
+    return true;
+  }
+
  private:
   InMenuButtonBackground* in_menu_background_;