Add DIR_ROAMING_USER_DATA to PathService.

chrome/common/chrome_paths_internal.h

Index: chrome/common/chrome_paths_internal.h
diff --git a/chrome/common/chrome_paths_internal.h b/chrome/common/chrome_paths_internal.h
index 4b9322a5754312a2ccfa7c037284db4bfe14df12..ab8129354263af95b3320cf9d238f15ef0d3e2ce 100644
--- a/chrome/common/chrome_paths_internal.h
+++ b/chrome/common/chrome_paths_internal.h
@@ -27,6 +27,12 @@ namespace chrome {
 // DIR_USER_DATA has been overridden by a command-line option.
 bool GetDefaultUserDataDirectory(base::FilePath* result);
 
+#if defined(OS_WIN)
+// Get the path to the roaming user's data directory, regardless of whether
+// DIR_ROAMING_USER_DATA has been overridden by a command-line option.
+bool GetDefaultRoamingUserDataDirectory(base::FilePath* result);
+#endif
+
 // 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.