Adds MD ink ripple animations to buttons within location bar

chrome/browser/ui/views/autofill/save_card_bubble_views.h

 // Copyright 2015 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_AUTOFILL_SAVE_CARD_BUBBLE_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_AUTOFILL_SAVE_CARD_BUBBLE_VIEWS_H_
 
 #include "base/macros.h"
 #include "chrome/browser/ui/autofill/save_card_bubble_controller.h"
 #include "chrome/browser/ui/autofill/save_card_bubble_view.h"
 #include "chrome/browser/ui/views/location_bar/location_bar_bubble_delegate_view.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/link_listener.h"
 #include "ui/views/controls/styled_label_listener.h"
+#include "ui/views/widget/widget_observer_view.h"
 
 namespace content {
 class WebContents;
 }
 
 namespace views {
 class LabelButton;
 class Link;
 class StyledLabel;
 }
 
 namespace autofill {
 
 // This class displays the "Save credit card?" bubble that is shown when the
 // user submits a form with a credit card number that Autofill has not
 // previously saved.
 class SaveCardBubbleViews : public SaveCardBubbleView,
                             public LocationBarBubbleDelegateView,
                             public views::ButtonListener,
                             public views::LinkListener,
                             public views::StyledLabelListener {
  public:
   // Bubble will be anchored to |anchor_view|.
-  SaveCardBubbleViews(views::View* anchor_view,
+  SaveCardBubbleViews(views::WidgetObserverView* anchor_view,
                       content::WebContents* web_contents,
                       SaveCardBubbleController* controller);
 
   void Show(DisplayReason reason);
 
   // SaveCardBubbleView
   void Hide() override;
 
   // views::View
   gfx::Size GetPreferredSize() const override;
@@ skipping 30 matching lines @@
   views::LabelButton* cancel_button_;
 
   views::Link* learn_more_link_;
 
   DISALLOW_COPY_AND_ASSIGN(SaveCardBubbleViews);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_VIEWS_AUTOFILL_SAVE_CARD_BUBBLE_VIEWS_H_