Use ink drop hover for focus states on toolbar buttons and location

chrome/browser/ui/views/location_bar/bubble_icon_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_LOCATION_BAR_BUBBLE_ICON_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_BUBBLE_ICON_VIEW_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 56 matching lines @@
   void OnMouseReleased(const ui::MouseEvent& event) override;
   bool OnKeyPressed(const ui::KeyEvent& event) override;
   bool OnKeyReleased(const ui::KeyEvent& event) override;
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
   void AddInkDropLayer(ui::Layer* ink_drop_layer) override;
   void RemoveInkDropLayer(ui::Layer* ink_drop_layer) override;
   std::unique_ptr<views::InkDropHover> CreateInkDropHover() const override;
   SkColor GetInkDropBaseColor() const override;
+  bool ShouldShowInkDropForFocus() const override;
 
   // ui::EventHandler:
   void OnGestureEvent(ui::GestureEvent* event) override;
 
   // views::WidgetObserver:
   void OnWidgetDestroying(views::Widget* widget) override;
   void OnWidgetVisibilityChanged(views::Widget* widget, bool visible) override;
 
  protected:
   // Calls OnExecuting and runs |command_id_| with a valid |command_updater_|.
@@ skipping 43 matching lines @@
   // prevent the bubble from reshowing.
   bool suppress_mouse_released_action_;
 
   // Animation delegate for the ink drop ripple effect.
   std::unique_ptr<views::InkDropDelegate> ink_drop_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleIconView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_BUBBLE_ICON_VIEW_H_