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

chrome/browser/ui/views/toolbar/toolbar_action_view.h

 // Copyright 2013 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 CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_VIEW_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "chrome/browser/ui/views/toolbar/toolbar_action_view_delegate_views.h"
@@ skipping 58 matching lines @@
                     Delegate* delegate);
   ~ToolbarActionView() override;
 
   // views::MenuButton:
   void GetAccessibleState(ui::AXViewState* state) override;
   scoped_ptr<views::LabelButtonBorder> CreateDefaultBorder() const override;
   void OnMouseEntered(const ui::MouseEvent& event) override;
   bool ShouldEnterPushedState(const ui::Event& event) override;
   void AddInkDropLayer(ui::Layer* ink_drop_layer) override;
   void RemoveInkDropLayer(ui::Layer* ink_drop_layer) override;
+  bool ShouldShowInkDropHover() const override;
 
   // ToolbarActionViewDelegateViews:
   content::WebContents* GetCurrentWebContents() const override;
   void UpdateState() override;
 
   // views::MenuButtonListener:
   void OnMenuButtonClicked(views::View* sender,
                            const gfx::Point& point) override;
 
   ToolbarActionViewController* view_controller() {
@@ skipping 74 matching lines @@
   base::TimeTicks popup_closed_time_;
 
   scoped_ptr<views::InkDropDelegate> ink_drop_delegate_;
 
   base::WeakPtrFactory<ToolbarActionView> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ToolbarActionView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_VIEW_H_