Add ink drop ripple to overview mode button

ash/common/system/web_notification/web_notification_tray.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/web_notification/web_notification_tray.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shelf/shelf_constants.h"
 #include "ash/common/shelf/wm_shelf.h"
@@ skipping 304 matching lines @@
                              kNoUnreadIconSize, kWebNotificationColorNoUnread);
   const gfx::Size bell_icon_size =
       md_shelf ? kTrayItemInnerIconSize : kTrayItemInnerBellIconSizeNonMd;
   bell_icon_.reset(new WebNotificationImage(bell_image, bell_icon_size,
                                             animation_container_.get(), this));
   tray_container()->AddChildView(bell_icon_.get());
 
   counter_.reset(new WebNotificationLabel(animation_container_.get(), this));
   tray_container()->AddChildView(counter_.get());
 
-  SetContentsBackground();
+  SetContentsBackground(true);
   message_center_tray_.reset(new message_center::MessageCenterTray(
       this, message_center::MessageCenter::Get()));
   popup_alignment_delegate_.reset(new AshPopupAlignmentDelegate(shelf));
   popup_collection_.reset(new message_center::MessagePopupCollection(
       message_center(), message_center_tray_.get(),
       popup_alignment_delegate_.get()));
   const display::Display& display =
       status_area_window_->GetDisplayNearestWindow();
   popup_alignment_delegate_->StartObserving(display::Screen::GetScreen(),
                                             display);
@@ skipping 37 matching lines @@
   }
   message_center_bubble->SetMaxHeight(
       std::max(0, max_height - GetTrayConstant(TRAY_SPACING)));
   if (show_settings)
     message_center_bubble->SetSettingsVisible();
   message_center_bubble_.reset(
       new WebNotificationBubbleWrapper(this, message_center_bubble));
 
   system_tray_->SetHideNotifications(true);
   shelf()->UpdateAutoHideState();
-  SetDrawBackgroundAsActive(true);
+  SetIsActive(true);
   return true;
 }
 
 bool WebNotificationTray::ShowMessageCenter() {
   return ShowMessageCenterInternal(false /* show_settings */);
 }
 
 void WebNotificationTray::HideMessageCenter() {
   if (!message_center_bubble())
     return;
-  SetDrawBackgroundAsActive(false);
+  SetIsActive(false);
   message_center_bubble_.reset();
   should_block_shelf_auto_hide_ = false;
   show_message_center_on_unlock_ = false;
   system_tray_->SetHideNotifications(false);
   shelf()->UpdateAutoHideState();
 }
 
 void WebNotificationTray::SetTrayBubbleHeight(int height) {
   popup_alignment_delegate_->SetTrayBubbleHeight(height);
 }
@@ skipping 262 matching lines @@
 
 message_center::MessageCenterBubble*
 WebNotificationTray::GetMessageCenterBubbleForTest() {
   if (!message_center_bubble())
     return nullptr;
   return static_cast<message_center::MessageCenterBubble*>(
       message_center_bubble()->bubble());
 }
 
 }  // namespace ash