Add TraySms for SMS messages.

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_
 #pragma once
 
 #include "ash/ash_export.h"
 #include "ui/gfx/font.h"
@@ skipping 120 matching lines @@
 class FixedSizedScrollView : public views::ScrollView {
  public:
   FixedSizedScrollView();
 
   virtual ~FixedSizedScrollView();
 
   void SetContentsView(View* view);
 
   void set_fixed_size(gfx::Size size) { fixed_size_ = size; }
 
- private:
-  // Overridden from views::View.
+  // views::View public method overrides.
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void Layout() OVERRIDE;
+  virtual void OnMouseEntered(const views::MouseEvent& event) OVERRIDE;
+
+ protected:
+  // views::View protected method overrides.
   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
-  virtual void OnMouseEntered(const views::MouseEvent& event) OVERRIDE;
   virtual void OnPaintFocusBorder(gfx::Canvas* canvas) OVERRIDE;
 
+ private:
   gfx::Size fixed_size_;
 
   DISALLOW_COPY_AND_ASSIGN(FixedSizedScrollView);
 };
 
 // A custom textbutton with some extra vertical padding, and custom border,
 // alignment and hover-effects.
 class TrayPopupTextButton : public views::TextButton {
  public:
   TrayPopupTextButton(views::ButtonListener* listener, const string16& text);
@@ skipping 103 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(TrayNotificationView);
 };
 
 // Sets up a Label properly for the tray (sets color, font etc.).
 void SetupLabelForTray(views::Label* label);
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_TRAY_VIEWS_H_