Add MD ink drop ripple to app list button

chrome/browser/ui/views/download/download_item_view_md.cc

 // 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.
 
 #include "chrome/browser/ui/views/download/download_item_view_md.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 169 matching lines @@
       model_(download_item),
       save_button_(nullptr),
       discard_button_(nullptr),
       dropdown_button_(new DropDownButton(this)),
       dangerous_download_label_(nullptr),
       dangerous_download_label_sized_(false),
       disabled_while_opening_(false),
       creation_time_(base::Time::Now()),
       time_download_warning_shown_(base::Time()),
       weak_ptr_factory_(this) {
-  SetHasInkDrop(ui::MaterialDesignController::IsModeMaterial());
+  if (ui::MaterialDesignController::IsModeMaterial())

[sky, 2016/06/30 00:35:34]

This class is only created when in md, so you can remove this.

[mohsen, 2016/06/30 08:54:07]

Done.

+    SetInkDropMode(INK_DROP_WITH_GESTURE_HANDLING);
   DCHECK(download());
   DCHECK(ui::MaterialDesignController::IsModeMaterial());
   download()->AddObserver(this);
   set_context_menu_controller(this);
 
   dropdown_button_->SetBorder(
       views::Border::CreateEmptyBorder(gfx::Insets(kDropdownBorderWidth)));
   dropdown_button_->set_ink_drop_size(gfx::Size(32, 32));
   AddChildView(dropdown_button_);
 
@@ skipping 937 matching lines @@
     SchedulePaint();
 }
 
 SkColor DownloadItemViewMd::GetTextColor() const {
   return GetTextColorForThemeProvider(GetThemeProvider());
 }
 
 SkColor DownloadItemViewMd::GetDimmedTextColor() const {
   return SkColorSetA(GetTextColor(), 0xC7);
 }