Initialize chrome::DIR_USER_DATA early on for service processes, etc.

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__
 
 #include "build/build_config.h"
 
+namespace base {
+class FilePath;
+}
+
 // 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.
@@ skipping 96 matching lines @@
   DIR_GEN_TEST_DATA,            // Directory where generated test data resides.
   DIR_TEST_DATA,                // Directory where unit test data resides.
   DIR_TEST_TOOLS,               // Directory where unit test tools reside.
 
   PATH_END
 };
 
 // Call once to register the provider for the path keys defined above.
 void RegisterPathProvider();
 
+// Get or set the invalid user data dir that was originally specified.
+void SetInvalidSpecifiedUserDataDir(const base::FilePath& user_data_dir);
+const base::FilePath& GetInvalidSpecifiedUserDataDir();
+
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_PATHS_H__