Do not show the EULA if it has already been accepted by the user in another user data dir.

chrome/common/chrome_paths.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.
 
 #ifndef CHROME_COMMON_CHROME_PATHS_H__
 #define CHROME_COMMON_CHROME_PATHS_H__
 #pragma once
 
 #include "build/build_config.h"
 
 // This file declares path keys for the chrome module.  These can be used with
 // the PathService to access various special directories and files.
 
 namespace chrome {
 
 enum {
   PATH_START = 1000,
 
   DIR_APP = PATH_START,         // Directory where dlls and data reside.
   DIR_LOGS,                     // Directory where logs should be written.
   DIR_USER_DATA,                // Directory where user data can be written.
+#if defined(OS_WIN)
+  DIR_ALT_USER_DATA,            // Directory of the desktop or metro user data
+                                // (the one that isn't in use).
+#endif
   DIR_CRASH_DUMPS,              // Directory where crash dumps are written.
   DIR_USER_DESKTOP,             // Directory that correspond to the desktop.
   DIR_RESOURCES,                // Directory containing separate file resources
                                 // used by Chrome at runtime.
   DIR_INSPECTOR,                // Directory where web inspector is located.
   DIR_APP_DICTIONARIES,         // Directory where the global dictionaries are.
   DIR_USER_DOCUMENTS,           // Directory for a user's "My Documents".
   DIR_USER_PICTURES,            // Directory for a user's pictures.
   DIR_DEFAULT_DOWNLOADS_SAFE,   // Directory for a user's
                                 // "My Documents/Downloads", (Windows) or
@@ skipping 76 matching lines @@
 
   PATH_END
 };
 
 // Call once to register the provider for the path keys defined above.
 void RegisterPathProvider();
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_PATHS_H__