Update mach_override to upstream 1a1bb352

third_party/mach_override/README.chromium

Index: third_party/mach_override/README.chromium
diff --git a/third_party/mach_override/README.chromium b/third_party/mach_override/README.chromium
index 46f2010968f0cac8b637df0b63344a994d28fdfc..a694d18cbd01b7b3a41592eaa53ddc6b57e6dea5 100644
--- a/third_party/mach_override/README.chromium
+++ b/third_party/mach_override/README.chromium
@@ -1,24 +1,12 @@
 Name: mach_override
-Short Name: Part of the mach_star project
-Version: Unknown
-URL: https://github.com/rentzsch/mach_star
-Date: 11/14/2012
-Revision: 10860416803280f05cbe20f97a3ec02a7c697bf4
-License: MIT
+Short Name: mach_override
+Version: HEAD
+URL: https://github.com/rentzsch/mach_override
+Date: 2013-08-21
+Revision: 1a1bb35291a915c545842cd64b5e12e1e76883fc
+License: MIT and 2-clause BSD
 Security Critical: Yes
 
-
 Description:
-This is the mach_override part of mach_star, namely:
-https://github.com/rentzsch/mach_star/tree/10860416803280f05cbe20f97a3ec02a7c697bf4
-
 This package is used to replace framework functions with different
 implementations at run time.
-
-
-Local Modifications:
-Ensure no rwx pages remain after mach_override_ptr:
-https://codereview.chromium.org/21208002/ 
-
-Randomize mach_override_ptr trampoline addresses on 32-bit:
-https://codereview.chromium.org/22798004/