Allow extensions to be packed where the resources are symlinks.

BUG=123488
TEST=unit_tests


Review URL: http://codereview.chromium.org/10041007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@133270 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/common/extensions/extension.h b/chrome/common/extensions/extension.h
index 29ddca6d..749cee9 100644
--- a/chrome/common/extensions/extension.h
+++ b/chrome/common/extensions/extension.h
@@ -245,6 +245,11 @@
     // |FROM_BOOKMARK| indicates the extension was created using a mock App
     // created from a bookmark.
     FROM_BOOKMARK = 1 << 5,
+
+    // |FOLLOW_SYMLINKS_ANYWHERE| means that resources can be symlinks to
+    // anywhere in the filesystem, rather than being restricted to the
+    // extension directory.
+    FOLLOW_SYMLINKS_ANYWHERE = 1 << 6,
   };
 
   static scoped_refptr<Extension> Create(const FilePath& path,