[ash-md] Changed the system info row height to 40 (instead of 48).

ash/common/system/tray/tray_constants.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_COMMON_SYSTEM_TRAY_TRAY_CONSTANTS_H_
 #define ASH_COMMON_SYSTEM_TRAY_TRAY_CONSTANTS_H_
 
 #include "ash/ash_export.h"
 
 typedef unsigned int SkColor;
@@ skipping 122 matching lines @@
 // menu.
 extern const float kTrayPopupInkDropHighlightOpacity;
 
 // The inset applied to clickable surfaces in the system menu that do not have
 // the ink drop filling the entire bounds.
 extern const int kTrayPopupInkDropInset;
 
 // The radius used to draw the corners of the rounded rect style ink drops.
 extern const int kTrayPopupInkDropCornerRadius;
 
+// The height of the system info row.
+extern const int kTrayPopupSystemInfoRowHeight;
+
 enum TrayConstant {
   // A legacy height value used in non-MD calculations for applying additional
   // borders on tray items.
   TRAY_ITEM_HEIGHT_LEGACY,
 
   // Padding between items in the status tray area.
   TRAY_SPACING,
 
   // Padding between the edge of shelf and the item in status tray area.
   TRAY_PADDING_FROM_EDGE_OF_SHELF,
@@ skipping 48 matching lines @@
 ASH_EXPORT int GetTrayConstant(TrayConstant constant);
 
 namespace test {
 const int kSettingsTrayItemViewId = 10000;
 const int kAccessibilityTrayItemViewId = 10001;
 }  // namespace test
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_TRAY_TRAY_CONSTANTS_H_