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

ui/views/controls/button/custom_button.cc

Index: ui/views/controls/button/custom_button.cc
diff --git a/ui/views/controls/button/custom_button.cc b/ui/views/controls/button/custom_button.cc
index e8ce4a003e394c3ff8f5ae260888f8806ddf8b1c..30ac579aebf39f3f3bd0ecb3363eab262f784481 100644
--- a/ui/views/controls/button/custom_button.cc
+++ b/ui/views/controls/button/custom_button.cc
@@ -265,8 +265,9 @@ bool CustomButton::AcceleratorPressed(const ui::Accelerator& accelerator) {
   // Should only handle accelerators when active. However, only top level
   // widgets can be active, so for child widgets check if they are focused
   // instead.
-  if ((IsChildWidget() && !FocusInChildWidget()) ||
-      (!IsChildWidget() && !GetWidget()->IsActive())) {
+  if (!ShouldHandleAcceleratorWhenInactive() &&
+      ((IsChildWidget() && !FocusInChildWidget()) ||
+       (!IsChildWidget() && !GetWidget()->IsActive()))) {
     return false;
   }
   SetState(STATE_NORMAL);
@@ -361,6 +362,10 @@ bool CustomButton::ShouldEnterPushedState(const ui::Event& event) {
   return IsTriggerableEvent(event);
 }
 
+bool CustomButton::ShouldHandleAcceleratorWhenInactive() {
+  return false;
+}
+
 bool CustomButton::ShouldEnterHoveredState() {
   if (!visible())
     return false;