Follow up to https://codereview.chromium.org/1581473002 for Metro removal in installer

chrome/installer/util/shell_util.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.
 //
 // This file declares methods that are useful for integrating Chrome in
 // Windows shell. These methods are all static and currently part of
 // ShellUtil class.
 
 #ifndef CHROME_INSTALLER_UTIL_SHELL_UTIL_H_
 #define CHROME_INSTALLER_UTIL_SHELL_UTIL_H_
@@ skipping 131 matching lines @@
     }
 
     // Forces the shortcut's name to |shortcut_name_in|.
     // Default: the current distribution's GetShortcutName(SHORTCUT_CHROME).
     // The ".lnk" extension will automatically be added to this name.
     void set_shortcut_name(const base::string16& shortcut_name_in) {
       shortcut_name = shortcut_name_in;
       options |= PROPERTIES_SHORTCUT_NAME;
     }
 
-    // Sets whether this is a dual mode shortcut (Win8+).
-    // Documentation on usage of the dual mode property on Win8:
-    // http://go.microsoft.com/fwlink/p/?linkid=243079
-    // NOTE: Only the default (no arguments and default browser appid) browser
-    // shortcut in the Start menu (Start screen on Win8+) should be made dual
-    // mode.
-    void set_dual_mode(bool dual_mode_in) {
-      dual_mode = dual_mode_in;
-      options |= PROPERTIES_DUAL_MODE;
-    }
-
     // Sets whether to pin this shortcut to the taskbar after creating it
     // (ignored if the shortcut is only being updated).
     // Note: This property doesn't have a mask in |options|.
     void set_pin_to_taskbar(bool pin_to_taskbar_in) {
       pin_to_taskbar = pin_to_taskbar_in;
     }
 
     bool has_target() const {
       return (options & PROPERTIES_TARGET) != 0;
     }
@@ skipping 11 matching lines @@
     }
 
     bool has_app_id() const {
       return (options & PROPERTIES_APP_ID) != 0;
     }
 
     bool has_shortcut_name() const {
       return (options & PROPERTIES_SHORTCUT_NAME) != 0;
     }
 
-    bool has_dual_mode() const {
-      return (options & PROPERTIES_DUAL_MODE) != 0;
-    }
-
     // The level to install this shortcut at (CURRENT_USER for a per-user
     // shortcut and SYSTEM_LEVEL for an all-users shortcut).
     ShellChange level;
 
     base::FilePath target;
     base::string16 arguments;
     base::string16 description;
     base::FilePath icon;
     int icon_index;
     base::string16 app_id;
     base::string16 shortcut_name;
-    bool dual_mode;
     bool pin_to_taskbar;
     // Bitfield made of IndividualProperties. Properties set in |options| will
     // be used to create/update the shortcut, others will be ignored on update
     // and possibly replaced by default values on create (see individual
     // property setters above for details on default values).
     uint32_t options;
   };
 
   // Relative path of the URL Protocol registry entry (prefixed with '\').
   static const wchar_t* kRegURLProtocol;
@@ skipping 436 matching lines @@
   // Set/CreateRegWorkItems and runs them using WorkItemList.
   static bool AddRegistryEntries(HKEY root,
                                  const ScopedVector<RegistryEntry>& entries);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShellUtil);
 };
 
 
 #endif  // CHROME_INSTALLER_UTIL_SHELL_UTIL_H_