(re-commit) Implement installation of the Chrome App Host.

chrome/installer/mini_installer/configuration.h

Index: chrome/installer/mini_installer/configuration.h
diff --git a/chrome/installer/mini_installer/configuration.h b/chrome/installer/mini_installer/configuration.h
index 351a12912474cf63f521451cd572be10989108cc..fb955ad10131ff54b2de9e84933c25b4ffe66ebf 100644
--- a/chrome/installer/mini_installer/configuration.h
+++ b/chrome/installer/mini_installer/configuration.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -46,6 +46,9 @@ class Configuration {
   // Returns true if --chrome-frame is on the command line.
   bool has_chrome_frame() const { return has_chrome_frame_; }
 
+  // Returns true if --app-host is on the command line.
+  bool has_app_host() const { return has_app_host_; }
+
   // Returns true if --multi-install is on the command line.
   bool is_multi_install() const { return is_multi_install_; }
 
@@ -63,6 +66,7 @@ class Configuration {
   Operation operation_;
   bool has_chrome_;
   bool has_chrome_frame_;
+  bool has_app_host_;
   bool is_multi_install_;
   bool is_system_level_;