More flexibility in BubbleBorder arrow rendering.

chrome/browser/ui/views/message_center/notification_bubble_wrapper_win.cc

 // Copyright (c) 2013 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/message_center/notification_bubble_wrapper_win.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/views/message_center/web_notification_tray_win.h"
 #include "ui/gfx/size.h"
 #include "ui/message_center/message_bubble_base.h"
@@ skipping 23 matching lines @@
       bubble_view_(NULL),
       bubble_widget_(NULL),
       tray_(tray) {
   // Windows-specific initialization.
   views::TrayBubbleView::AnchorAlignment anchor_alignment =
       tray_->GetAnchorAlignment();
   views::TrayBubbleView::InitParams init_params =
       bubble_->GetInitParams(anchor_alignment);
   init_params.close_on_deactivate = false;
   init_params.arrow_alignment = views::BubbleBorder::ALIGN_EDGE_TO_ANCHOR_EDGE;
-  init_params.hide_arrow = true;
+  init_params.arrow_paint_type = views::BubbleBorder::PAINT_NONE;
   // TODO(dewittj): Show big shadow without blocking clicks.
   init_params.shadow = views::BubbleBorder::NO_SHADOW;
 
   bubble_view_ = views::TrayBubbleView::Create(
       tray_->GetBubbleWindowContainer(), NULL, this, &init_params);
 
   bubble_widget_ = views::BubbleDelegateView::CreateBubble(bubble_view_);
   bubble_widget_->AddObserver(this);
   bubble_widget_->StackAtTop();
   bubble_widget_->SetAlwaysOnTop(true);
@@ skipping 46 matching lines @@
 }
 
 void NotificationBubbleWrapperWin::HideBubble(
     const views::TrayBubbleView* bubble_view) {
   tray_->HideBubbleWithView(bubble_view);
 }
 
 }  // namespace internal
 
 }  // namespace message_center