Remove non-MD code from AudioDetailedView

ash/common/system/tray/hover_highlight_view.h

 // Copyright 2013 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_HOVER_HIGHLIGHT_VIEW_H_
 #define ASH_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
 
 #include "ash/common/system/tray/actionable_view.h"
 #include "ash/common/system/tray/tray_popup_item_style.h"
 #include "base/macros.h"
@@ skipping 64 matching lines @@
                                      const base::string16& text,
                                      bool highlight);
 
   // Convenience function for adding a label with padding on the left for a
   // blank icon. This also sets the accessible name. Returns label after
   // parenting it.
   views::Label* AddLabel(const base::string16& text,
                          gfx::HorizontalAlignment alignment,
                          bool highlight);
 
-  // Convenience function for adding an optional check and a label. In the
-  // absence of a check, padding is added to align with checked items.
-  // Returns label after parenting it.
-  views::Label* AddCheckableLabel(const base::string16& text,
-                                  bool highlight,
-                                  bool checked);
-
   // Adds a row containing only a text label, inset on the left by the
   // horizontal space that would normally be occupied by an icon.
   void AddLabelRowMd(const base::string16& text);
 
   // Add an optional right icon to an already established view (call one of
   // the other Add* functions first). |icon_size| is the size of the icon in DP.
   void AddRightIcon(const gfx::ImageSkia& image, int icon_size);
 
   // Add an optional right view to an already established view (call one of
   // the other Add* functions first).
@@ skipping 91 matching lines @@
   int custom_height_ = 0;  // Not used in material design.
   AccessibilityState accessibility_state_ = AccessibilityState::DEFAULT;
   base::string16 tooltip_;
 
   DISALLOW_COPY_AND_ASSIGN(HoverHighlightView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_