Enables hot-tracking for overflow extension buttons in the app menu

ui/views/controls/button/custom_button.cc

 // 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.
 
 #include "ui/views/controls/button/custom_button.h"
 
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/keycodes/keyboard_codes.h"
@@ skipping 381 matching lines @@
         aura::client::GetCaptureClient(root_window);
     aura::Window* capture_window =
         capture_client ? capture_client->GetGlobalCaptureWindow() : nullptr;
     check_mouse_position = !capture_window || capture_window == root_window;
   }
 #endif
 
   return check_mouse_position && IsMouseHovered();
 }
 
+bool CustomButton::ShouldShowInkDropHover() const {
+  return enabled() && IsMouseHovered() && !InDrag();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // CustomButton, View overrides (protected):
 
 void CustomButton::ViewHierarchyChanged(
     const ViewHierarchyChangedDetails& details) {
   if (!details.is_add && state_ != STATE_DISABLED)
     SetState(STATE_NORMAL);
 }
 
 void CustomButton::OnBlur() {
   if (IsHotTracked())
     SetState(STATE_NORMAL);
 }
 
 void CustomButton::NotifyClick(const ui::Event& event) {
   if (ink_drop_delegate() && has_ink_drop_action_on_click_)
     ink_drop_delegate()->OnAction(ink_drop_action_on_click_);
   Button::NotifyClick(event);
 }
 
 void CustomButton::OnClickCanceled(const ui::Event& event) {
   if (ink_drop_delegate())
     ink_drop_delegate()->OnAction(views::InkDropState::HIDDEN);
   Button::OnClickCanceled(event);
 }
 
-bool CustomButton::ShouldShowInkDropHover() const {
-  return enabled() && IsMouseHovered() && !InDrag();
-}
-
 }  // namespace views