[ash-md] Added different highlighting modes to the InkDropImpl.

chrome/browser/ui/views/download/download_item_view.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.
 //
 // A view that implements one download on the Download shelf.
 // Each DownloadItemView contains an application icon, a text label
 // indicating the download's file name, a text label indicating the
 // download's status (such as the number of bytes downloaded so far)
 // and a button for canceling an in progress download, or opening
 // the completed download.
@@ skipping 86 matching lines @@
   void OnMouseReleased(const ui::MouseEvent& event) override;
   void OnMouseCaptureLost() override;
   bool OnKeyPressed(const ui::KeyEvent& event) override;
   bool GetTooltipText(const gfx::Point& p,
                       base::string16* tooltip) const override;
   void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
   void OnThemeChanged() override;
 
   // Overridden from view::InkDropHostView:
   void AddInkDropLayer(ui::Layer* ink_drop_layer) override;
+  std::unique_ptr<views::InkDrop> CreateInkDrop() override;
   std::unique_ptr<views::InkDropRipple> CreateInkDropRipple() const override;
   std::unique_ptr<views::InkDropHighlight> CreateInkDropHighlight()
       const override;
 
   // Overridden from ui::EventHandler:
   void OnGestureEvent(ui::GestureEvent* event) override;
 
   // Overridden from views::ContextMenuController.
   void ShowContextMenuForView(View* source,
                               const gfx::Point& point,
@@ skipping 203 matching lines @@
   std::unique_ptr<extensions::ExperienceSamplingEvent> sampling_event_;
 
   // Method factory used to delay reenabling of the item when opening the
   // downloaded file.
   base::WeakPtrFactory<DownloadItemView> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItemView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_ITEM_VIEW_H_