Add ink drop highlight for hover and focus on location icons (e.g. star,

chrome/browser/ui/views/location_bar/content_setting_image_view.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 CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_CONTENT_SETTING_IMAGE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_CONTENT_SETTING_IMAGE_VIEW_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 49 matching lines @@
   // intervening "stay open" period.
   static const int kAnimationDurationMS;
 
   // IconLabelBubbleView:
   const char* GetClassName() const override;
   void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
   bool OnMousePressed(const ui::MouseEvent& event) override;
   void OnMouseReleased(const ui::MouseEvent& event) override;
   void OnGestureEvent(ui::GestureEvent* event) override;
   void OnNativeThemeChanged(const ui::NativeTheme* native_theme) override;
+  bool ShouldShowInkDropForFocus() const override;
   SkColor GetTextColor() const override;
   SkColor GetBorderColor() const override;
   bool ShouldShowBackground() const override;
   double WidthMultiplier() const override;
   bool IsShrinking() const override;
   bool OnActivate(const ui::Event& event) override;
 
   // gfx::AnimationDelegate:
   void AnimationEnded(const gfx::Animation* animation) override;
   void AnimationProgressed(const gfx::Animation* animation) override;
@@ skipping 15 matching lines @@
 
   // This is used to check if the bubble was showing during the mouse pressed
   // event. If this is true then the mouse released event is ignored to prevent
   // the bubble from reshowing.
   bool suppress_mouse_released_action_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentSettingImageView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_CONTENT_SETTING_IMAGE_VIEW_H_