Adjust positioning of cros tray bubbles.

ui/message_center/views/message_center_bubble.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_center_bubble.h"
 
 #include "base/macros.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/message_center/message_center_style.h"
 #include "ui/message_center/views/message_center_view.h"
@@ skipping 42 matching lines @@
 
 void ContentsView::ChildPreferredSizeChanged(View* child) {
   // TODO(dharcourt): Reduce the amount of updating this requires.
   if (bubble_.get())
     bubble_->bubble_view()->UpdateBubble();
 }
 
 // MessageCenterBubble /////////////////////////////////////////////////////////
 
 MessageCenterBubble::MessageCenterBubble(MessageCenter* message_center,
-                                         MessageCenterTray* tray,
-                                         bool first_item_has_no_margin)
+                                         MessageCenterTray* tray)
     : MessageBubbleBase(message_center, tray),
       message_center_view_(NULL),
-      initially_settings_visible_(false),
-      first_item_has_no_margin_(first_item_has_no_margin) {}
+      initially_settings_visible_(false) {}
 
 MessageCenterBubble::~MessageCenterBubble() {
   // Removs this from the widget observers just in case. MessageCenterBubble
   // might be destoryed without calling its Widget's Close/CloseNow.
   if (bubble_view() && bubble_view()->GetWidget())
     bubble_view()->GetWidget()->RemoveObserver(this);
 }
 
 void MessageCenterBubble::SetSettingsVisible() {
   if (message_center_view_)
     message_center_view_->SetSettingsVisible(true);
   else
     initially_settings_visible_ = true;
 }
 
 views::TrayBubbleView::InitParams MessageCenterBubble::GetInitParams(
     views::TrayBubbleView::AnchorAlignment anchor_alignment) {
   views::TrayBubbleView::InitParams init_params =
       GetDefaultInitParams(anchor_alignment);
   init_params.min_width += kMarginBetweenItems * 2;
   init_params.max_width += kMarginBetweenItems * 2;
   init_params.max_height = max_height();
   init_params.can_activate = true;
-  init_params.first_item_has_no_margin = first_item_has_no_margin_;
   return init_params;
 }
 
 void MessageCenterBubble::InitializeContents(
     views::TrayBubbleView* new_bubble_view) {
   set_bubble_view(new_bubble_view);
   bubble_view()->GetWidget()->AddObserver(this);
   message_center_view_ = new MessageCenterView(
       message_center(), tray(), max_height(), initially_settings_visible_,
       false); /* MessageCenterBubble should be used only on ChromeOS.
@@ skipping 31 matching lines @@
 }
 
 void MessageCenterBubble::OnMouseExitedView() {
 }
 
 size_t MessageCenterBubble::NumMessageViewsForTest() const {
   return message_center_view_->NumMessageViewsForTest();
 }
 
 }  // namespace message_center