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

chrome/common/chrome_paths.h

Index: chrome/common/chrome_paths.h
diff --git a/chrome/common/chrome_paths.h b/chrome/common/chrome_paths.h
index c4c3060f3e1733fb999dee057545d406b0dd23d7..46e0bdaa77ea5fc36fe06422b02fb4e3f940aba0 100644
--- a/chrome/common/chrome_paths.h
+++ b/chrome/common/chrome_paths.h
@@ -7,6 +7,10 @@
 
 #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.
 
@@ -123,6 +127,10 @@ enum {
 // 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__