[top-chrome-md] Made extension buttons show the highlight when focused.

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 57 matching lines @@
                     Delegate* delegate);
   ~ToolbarActionView() override;
 
   // views::MenuButton:
   void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
   std::unique_ptr<views::LabelButtonBorder> CreateDefaultBorder()
       const override;
   bool IsTriggerableEvent(const ui::Event& event) override;
   SkColor GetInkDropBaseColor() const override;
   std::unique_ptr<views::InkDrop> CreateInkDrop() override;
+  std::unique_ptr<views::InkDropRipple> CreateInkDropRipple() const override;
 
   // ToolbarActionViewDelegateViews:
   content::WebContents* GetCurrentWebContents() const override;
   void UpdateState() override;
 
   // views::MenuButtonListener:
   void OnMenuButtonClicked(views::MenuButton* source,
                            const gfx::Point& point,
                            const ui::Event* event) override;
 
@@ skipping 72 matching lines @@
 
   // The time the popup was last closed.
   base::TimeTicks popup_closed_time_;
 
   base::WeakPtrFactory<ToolbarActionView> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ToolbarActionView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_VIEW_H_