Made notification center notifications collapsed and expandable.

ui/message_center/views/message_bubble_base.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 "ui/message_center/views/message_bubble_base.h"
 
 #include "base/bind.h"
 #include "ui/message_center/message_center_util.h"
 #include "ui/message_center/views/message_view.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_observer.h"
 
 namespace {
 // Delay laying out the MessageBubbleBase until all notifications have been
 // added and icons have had a chance to load.
 const int kUpdateDelayMs = 50;
 const int kMessageBubbleBaseDefaultMaxHeight = 400;
 }
 
 namespace message_center {
 
 const SkColor MessageBubbleBase::kBackgroundColor =
     SkColorSetRGB(0xfe, 0xfe, 0xfe);
 const SkColor MessageBubbleBase::kHeaderBackgroundColorLight =
     SkColorSetRGB(0xf1, 0xf1, 0xf1);
 const SkColor MessageBubbleBase::kHeaderBackgroundColorDark =
     SkColorSetRGB(0xe7, 0xe7, 0xe7);
 
-MessageBubbleBase::MessageBubbleBase(NotificationList::Delegate* list_delegate)
-    : list_delegate_(list_delegate),
+MessageBubbleBase::MessageBubbleBase(MessageCenter* message_center)
+    : message_center_(message_center),
       bubble_view_(NULL),
       ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)),
       max_height_(kMessageBubbleBaseDefaultMaxHeight) {
 }
 
 MessageBubbleBase::~MessageBubbleBase() {
   if (bubble_view_)
     bubble_view_->reset_delegate();
 }
 
@@ skipping 35 matching lines @@
   views::TrayBubbleView::InitParams init_params(
       views::TrayBubbleView::ANCHOR_TYPE_TRAY,
       anchor_alignment,
       kWebNotificationWidth,
       kWebNotificationWidth);
   init_params.arrow_color = kHeaderBackgroundColorDark;
   return init_params;
 }
 
 }  // namespace message_center