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

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

 // 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.
 
 #include "chrome/browser/ui/views/toolbar/toolbar_action_view.h"
 
 #include <string>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 43 matching lines @@
 
 ToolbarActionView::ToolbarActionView(
     ToolbarActionViewController* view_controller,
     ToolbarActionView::Delegate* delegate)
     : MenuButton(base::string16(), this, false),
       view_controller_(view_controller),
       delegate_(delegate),
       called_register_command_(false),
       wants_to_run_(false),
       menu_(nullptr),
-      ink_drop_delegate_(new views::ButtonInkDropDelegate(this, this)),
       weak_factory_(this) {
-  set_ink_drop_delegate(ink_drop_delegate_.get());
+  set_ink_drop_delegate(
+      base::WrapUnique(new views::ButtonInkDropDelegate(this, this)));
   set_has_ink_drop_action_on_click(true);
   set_id(VIEW_ID_BROWSER_ACTION);
   view_controller_->SetDelegate(this);
   SetHorizontalAlignment(gfx::ALIGN_CENTER);
   set_drag_controller(delegate_);
 
   set_context_menu_controller(this);
 
   // If the button is within a menu, we need to make it focusable in order to
   // have it accessible via keyboard navigation.
@@ skipping 246 matching lines @@
     if (menu_controller->in_nested_run()) {
       // There is another menu showing. Close the outermost menu (since we are
       // shown in the same menu, we don't want to close the whole thing).
       menu_controller->Cancel(views::MenuController::EXIT_OUTERMOST);
       return true;
     }
   }
 
   return false;
 }