Remove support for non-browser products from InstallationState and ProductState.

chrome/installer/util/install_util.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 declares utility functions for the installer. The original reason
 // for putting these functions in installer\util library is so that we can
 // separate out the critical logic and write unit tests for it.
 
 #ifndef CHROME_INSTALLER_UTIL_INSTALL_UTIL_H_
 #define CHROME_INSTALLER_UTIL_INSTALL_UTIL_H_
@@ skipping 26 matching lines @@
   static base::string16 GetActiveSetupPath(BrowserDistribution* dist);
 
   // Attempts to trigger the command that would be run by Active Setup for a
   // system-level Chrome. For use only when system-level Chrome is installed.
   static void TriggerActiveSetupCommand();
 
   // Launches given exe as admin on Vista.
   static bool ExecuteExeAsAdmin(const base::CommandLine& cmd, DWORD* exit_code);
 
   // Reads the uninstall command for Chromium from registry and returns it.
   // If system_install is true the command is read from HKLM, otherwise

[huangs, 2017/01/09 09:09:10]

NIT: Unwrap; and use |system_install|. Also should mention that empty command
line is returned if nothing is found?

[grt (UTC plus 2), 2017/01/09 10:11:45]

Done.

   // from HKCU.
-  static base::CommandLine GetChromeUninstallCmd(
-      bool system_install,
-      BrowserDistribution::Type distribution_type);
+  static base::CommandLine GetChromeUninstallCmd(bool system_install);
 
   // Find the version of Chrome installed on the system by checking the
   // Google Update registry key. Fills |version| with the version or a
   // default-constructed Version if no version is found.
   // system_install: if true, looks for version number under the HKLM root,
   //                 otherwise looks under the HKCU.
   static void GetChromeVersion(BrowserDistribution* dist,
                                bool system_install,
                                base::Version* version);
 
@@ skipping 155 matching lines @@
    private:
     DISALLOW_COPY_AND_ASSIGN(ProgramCompare);
   };  // class ProgramCompare
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InstallUtil);
 };
 
 
 #endif  // CHROME_INSTALLER_UTIL_INSTALL_UTIL_H_