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

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_
 
 #include <string>
 
 #include "build/build_config.h"
@@ skipping 74 matching lines @@
 // Get the local library directory.
 bool GetLocalLibraryDirectory(base::FilePath* result);
 
 // Get the global Application Support directory (under /Library/).
 bool GetGlobalApplicationSupportDirectory(base::FilePath* result);
 
 // Returns the NSBundle for the outer browser application, even when running
 // inside the helper. In unbundled applications, such as tests, returns nil.
 NSBundle* OuterAppBundle();
 
+// Get the user data directory for the Chrome browser bundle at |bundle|.
+// |bundle| should be the same value that would be returned from +[NSBundle
+// mainBundle] if Chrome were launched normaly. This is 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.
+// Returns false if there was a problem fetching the app data directory.
+bool GetUserDataDirectoryForBrowserBundle(NSBundle* bundle,
+                                          base::FilePath* result);
+
 #endif  // OS_MACOSX && !OS_IOS
 
 // 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_