[ash-md] Added ink drop to system menu rows that inherit from ActionableView.

ash/common/system/tray/tray_item_more.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 "ash/common/system/tray/tray_item_more.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/system/tray/system_tray_item.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_popup_item_style.h"
@@ skipping 36 matching lines @@
     if (!MaterialDesignController::IsSystemTrayMenuMaterial()) {
       // The icon doesn't change in non-md.
       more_->SetImage(ui::ResourceBundle::GetSharedInstance()
                           .GetImageNamed(IDR_AURA_UBER_TRAY_MORE)
                           .ToImageSkia());
     }
     tri_view->AddView(TriView::Container::END, more_);
   } else {
     tri_view->SetContainerVisible(TriView::Container::END, false);
   }
+
+  if (MaterialDesignController::IsSystemTrayMenuMaterial())
+    SetInkDropMode(InkDropHostView::InkDropMode::ON);
 }
 
 TrayItemMore::~TrayItemMore() {}
 
 void TrayItemMore::SetLabel(const base::string16& label) {
   label_->SetText(label);
   Layout();
   SchedulePaint();
 }
 
@@ skipping 36 matching lines @@
   if (!accessible_name_.empty())
     state->name = accessible_name_;
 }
 
 void TrayItemMore::OnNativeThemeChanged(const ui::NativeTheme* theme) {
   ActionableView::OnNativeThemeChanged(theme);
   UpdateStyle();
 }
 
 }  // namespace ash