Revert 148046 - Revert 147650 - Implement installation of the Chrome App Host.

chrome/installer/util/channel_info.h

Index: chrome/installer/util/channel_info.h
===================================================================
--- chrome/installer/util/channel_info.h	(revision 148103)
+++ chrome/installer/util/channel_info.h	(working copy)
@@ -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.
 
@@ -57,6 +57,13 @@
   // modified.
   bool SetChromeFrame(bool value);
 
+  // Returns true if the -apphost modifier is present in the value.
+  bool IsAppHost() const;
+
+  // Adds or removes the -apphost modifier, returning true if the value is
+  // modified.
+  bool SetAppHost(bool value);
+
   // Returns true if the -multi modifier is present in the value.
   bool IsMultiInstall() const;