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

ui/views/controls/button/custom_button.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_
 #define UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/events/event_constants.h"
 #include "ui/gfx/animation/animation_delegate.h"
@@ skipping 102 matching lines @@
 
   // Returns true if the event is one that can trigger notifying the listener.
   // This implementation returns true if the left mouse button is down.
   virtual bool IsTriggerableEvent(const ui::Event& event);
 
   // Returns true if the button should become pressed when the user
   // holds the mouse down over the button. For this implementation,
   // we simply return IsTriggerableEvent(event).
   virtual bool ShouldEnterPushedState(const ui::Event& event);
 
+  // If true, handles accelerator events when the widget associated with this
+  // button is inactive. In-menu buttons in the hamburger menu such as zoom and

[msw, 2015/12/23 04:06:25]

"Menu widgets are inactive, but buttons therein (eg. the app menu's zoom and
cut/copy/paste) should still handle accelerators. "

[meacer, 2015/12/24 21:40:02]

Done.

+  // cut/copy/paste are inactive, but they should still handle accelerators.
+  virtual bool ShouldHandleAcceleratorWhenInactive();
+
   // Returns true if the button should enter hovered state; that is, if the
   // mouse is over the button, and no other window has capture (which would
   // prevent the button from receiving MouseExited events and updating its
   // state). This does not take into account enabled state.
   bool ShouldEnterHoveredState();
 
   InkDropDelegate* ink_drop_delegate() const { return ink_drop_delegate_; }
   void set_ink_drop_delegate(InkDropDelegate* ink_drop_delegate) {
     ink_drop_delegate_ = ink_drop_delegate;
   }
@@ skipping 35 matching lines @@
 
   // The event on which the button should notify its listener.
   NotifyAction notify_action_;
 
   DISALLOW_COPY_AND_ASSIGN(CustomButton);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_