[mac] Make app shims look in the correct user data dir on Canary.

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 5f9b18b9e13ae0f187543962562524a5b14d408f..a5833cc33c6e3dd0651676a474e807d23c981d85 100644
--- a/chrome/common/chrome_paths_internal.h
+++ b/chrome/common/chrome_paths_internal.h
@@ -92,6 +92,12 @@ bool GetGlobalApplicationSupportDirectory(base::FilePath* result);
 // inside the helper. In unbundled applications, such as tests, returns nil.
 NSBundle* OuterAppBundle();
 
+// Get the user data directory for the Chrome bundle at |bundle|. Used by app
+// shims, which run from a bundle which isn't Chrome itself, but which need
+// access to the user data directory to connect to a UNIX-domain socket
+// therein.

[Mark Mentovai, 2013/03/22 18:08:41]

This returns a bool. Document what the bool means.

[jeremy, 2013/03/24 14:17:13]

Also, can you please document what |bundle| is supposed to be exactly (What
+[NSBundle mainBundle] would return if Chrome were launched normally)?

[jeremya, 2013/04/01 23:30:22]

Done.

[jeremya, 2013/04/01 23:30:22]

Done.

+bool GetUserDataDirectoryForBundle(NSBundle* bundle, base::FilePath* result);
+
 #endif  // OS_MACOSX && !OS_IOS
 
 // Checks if the |process_type| has the rights to access the profile.