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

chrome/common/chrome_paths_internal.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_INTERNAL_H_
 #define CHROME_COMMON_CHROME_PATHS_INTERNAL_H_
 #pragma once
 
 #include <string>
 
 #include "build/build_config.h"
 
 #if defined(OS_MACOSX)
 #if defined(__OBJC__)
 @class NSBundle;
 #else
 class NSBundle;
 #endif
 #endif
 
 class FilePath;
 
 namespace chrome {
 
 // Get the path to the user's data directory, regardless of whether
 // DIR_USER_DATA has been overridden by a command-line option.
 bool GetDefaultUserDataDirectory(FilePath* result);
 
+#if defined(OS_WIN)
+// Gets the path to the user data directory for the alternate environment to
+// the one in use (metro or desktop).
+bool GetAlternateUserDataDirectory(FilePath *result);
+#endif
+
 // This returns the base directory in which Chrome Frame stores user profiles.
 // Note that this cannot be wrapped in a preprocessor define since
 // CF and Google Chrome want to share the same binaries.
 bool GetChromeFrameUserDataDirectory(FilePath* result);
 
 // Get the path to the user's cache directory.  This is normally the
 // same as the profile directory, but on Linux it can also be
 // $XDG_CACHE_HOME and on Mac it can be under ~/Library/Caches.
 // Note that the Chrome cache directories are actually subdirectories
 // of this directory, with names like "Cache" and "Media Cache".
@@ skipping 50 matching lines @@
 NSBundle* OuterAppBundle();
 
 #endif  // OS_MACOSX
 
 // Checks if the |process_type| has the rights to access the profile.
 bool ProcessNeedsProfileDir(const std::string& process_type);
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_PATHS_INTERNAL_H_