[Views] Update ink drop for omnibox icons

ui/views/animation/ink_drop_stub.h

 // Copyright 2016 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 "base/macros.h"
 #include "ui/views/animation/ink_drop.h"
 #include "ui/views/views_export.h"
 
 namespace views {
 
 // A stub implementation of an InkDrop that can be used when no visuals should
 // be shown. e.g. material design is enabled.
 class VIEWS_EXPORT InkDropStub : public InkDrop {
  public:
   InkDropStub();
   ~InkDropStub() override;
 
   // InkDrop:
   void HostSizeChanged(const gfx::Size& new_size) override;
   InkDropState GetTargetInkDropState() const override;
   void AnimateToState(InkDropState state) override;
   void SnapToActivated() override;
   void SetHovered(bool is_hovered) override;
   void SetFocused(bool is_hovered) override;
+  bool IsHighlightFadingInOrVisible() const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InkDropStub);
 };
 
 }  // namespace views