Refactor SpecialPopupRow out of tray_views.h/cc into its own files.

ash/system/tray/tray_views.h

 // 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.
 
 #ifndef ASH_SYSTEM_TRAY_TRAY_VIEWS_H_
 #define ASH_SYSTEM_TRAY_TRAY_VIEWS_H_
 
 #include "ash/ash_export.h"
 #include "ash/shelf_types.h"
 #include "ui/gfx/font.h"
@@ skipping 301 matching lines @@
   void ScheduleAnimation(bool start_throbber);
 
   SystemTrayThrobber* throbber_;
 
   // The current tooltip text.
   string16 tooltip_text_;
 
   DISALLOW_COPY_AND_ASSIGN(ThrobberView);
 };
 
-// The 'special' looking row in the uber-tray popups. This is usually the bottom
-// row in the popups, and has a fixed height.
-class SpecialPopupRow : public views::View {
- public:
-  SpecialPopupRow();
-  virtual ~SpecialPopupRow();
-
-  void SetTextLabel(int string_id, ViewClickListener* listener);
-  void SetContent(views::View* view);
-
-  void AddButton(TrayPopupHeaderButton* button);
-  void AddThrobber(ThrobberView* throbber);
-
-  views::View* content() const { return content_; }
-
- private:
-  // Overridden from views::View.
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
-  virtual void Layout() OVERRIDE;
-
-  views::View* content_;
-  views::View* button_container_;
-  views::Label* text_label_;
-  DISALLOW_COPY_AND_ASSIGN(SpecialPopupRow);
-};
-
 // Sets up a Label properly for the tray (sets color, font etc.).
 void SetupLabelForTray(views::Label* label);
 
 // TODO(jennyz): refactor these two functions to SystemTrayItem.
 // Sets the empty border of an image tray item for adjusting the space
 // around it.
 void SetTrayImageItemBorder(views::View* tray_view, ShelfAlignment alignment);
 // Sets the empty border around a label tray item for adjusting the space
 // around it.
 void SetTrayLabelItemBorder(TrayItemView* tray_view,
                             ShelfAlignment alignment);
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_TRAY_VIEWS_H_