Implement installation of the Chrome App Host.

chrome/installer/util/master_preferences.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 contains functions processing master preference file used by
 // setup and first run.
 
 #ifndef CHROME_INSTALLER_UTIL_MASTER_PREFERENCES_H_
 #define CHROME_INSTALLER_UTIL_MASTER_PREFERENCES_H_
 
@@ skipping 146 matching lines @@
 
   // Returns true iff the master preferences were successfully read from a file.
   bool read_from_file() const {
     return preferences_read_from_file_;
   }
 
   bool install_chrome() const {
     return chrome_;
   }
 
+  bool install_chrome_app_host() const {
+    return chrome_app_host_;
+  }
+
   bool install_chrome_frame() const {
     return chrome_frame_;
   }
 
   bool is_multi_install() const {
     return multi_install_;
   }
 
   // Returns a static preference object that has been initialized with the
   // CommandLine object for the current process.
   // NOTE: Must not be called before CommandLine::Init() is called!
   // OTHER NOTE: Not thread safe.
   static const MasterPreferences& ForCurrentProcess();
 
  protected:
   void InitializeProductFlags();
 
   void InitializeFromCommandLine(const CommandLine& cmd_line);
 
  protected:
   scoped_ptr<base::DictionaryValue> master_dictionary_;
   base::DictionaryValue* distribution_;
   bool preferences_read_from_file_;
   bool chrome_;
+  bool chrome_app_host_;
   bool chrome_frame_;
   bool multi_install_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MasterPreferences);
 };
 
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_UTIL_MASTER_PREFERENCES_H_