Implement installation of the Chrome App Host.

chrome/installer/util/installer_state.h

 // Copyright (c) 2011 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_INSTALLER_STATE_H_
 #define CHROME_INSTALLER_UTIL_INSTALLER_STATE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 20 matching lines @@
 class ChannelInfo;
 class InstallationState;
 class MasterPreferences;
 
 class ProductState;
 
 typedef std::vector<Product*> Products;
 
 // Encapsulates the state of the current installation operation.  Only valid
 // for installs and upgrades (not for uninstalls or non-install commands).
+// This class interprets the command-line arguments and master preferences and
+// determines the operations to be performed. For example, the Chrome Binaries
+// are automatically added if required in multi-install mode.
+// TODO(erikwright): This is now used a fair bit during uninstall, and
+// InstallerState::Initialize() contains a lot of code for uninstall. The class
+// comment should probably be updated.
 // TODO(grt): Rename to InstallerEngine/Conductor or somesuch?
 class InstallerState {
  public:
   enum Level {
     UNKNOWN_LEVEL,
     USER_LEVEL,
     SYSTEM_LEVEL
   };
 
   enum PackageType {
@@ skipping 178 matching lines @@
   bool msi_;
   bool verbose_logging_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InstallerState);
 };  // class InstallerState
 
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_UTIL_INSTALLER_STATE_H_