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

chrome/installer/util/installation_state.h

-// 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.
 
 #ifndef CHROME_INSTALLER_UTIL_INSTALLATION_STATE_H_
 #define CHROME_INSTALLER_UTIL_INSTALLATION_STATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
@@ skipping 134 matching lines @@
   // Caller does NOT assume ownership of returned pointer. This method will
   // never return NULL.
   const ProductState* GetNonVersionedProductState(
       bool system_install, BrowserDistribution::Type type) const;
 
  protected:
   enum {
     CHROME_BROWSER_INDEX,
     CHROME_FRAME_INDEX,
     CHROME_BINARIES_INDEX,
+    CHROME_APP_HOST_INDEX,
     NUM_PRODUCTS
   };
 
   static int IndexFromDistType(BrowserDistribution::Type type);
 
   ProductState user_products_[NUM_PRODUCTS];
   ProductState system_products_[NUM_PRODUCTS];
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InstallationState);
 };  // class InstallationState
 
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_UTIL_INSTALLATION_STATE_H_