Update to NSS 3.15.3.

README.chromium

Index: README.chromium
===================================================================
--- README.chromium	(revision 233722)
+++ README.chromium	(working copy)
@@ -1,13 +1,13 @@
 Name: Network Security Services (NSS)
 Short Name: nss
 URL: http://www.mozilla.org/projects/security/pki/nss/
-Version: 3.15
+Version: 3.15.3
 License: MPL 2
 License File: nss/COPYING
 Security Critical: yes
 
 Description:
-NSS 3.15 with NSPR 4.9.5 Beta 2
+NSS 3.15.3 with NSPR 4.9.5 Beta 2
 
 This copy of NSS has been customized for Chromium.  NSPR is also put here
 rather than in a separate directory to emphasize the fact that Chromium is
@@ -21,7 +21,7 @@
 
 The source code was checked out from the mozilla.org CVS or hg repository using
 the nspr-checkout.sh and nss-checkout.sh scripts in the scripts directory.
-The current source code was checked out with the hg tag -u NSS_3_15_RTM
+The current source code was checked out with the hg tag -u NSS_3_15_3_RTM
 and CVS tag -r NSPR_4_9_5_BETA2.
 
 Local Modifications:
@@ -69,9 +69,6 @@
   (https://bugzilla.mozilla.org/show_bug.cgi?id=668397).
 - patches/nss-urandom-abort.patch: call abort() if NSS cannot read from
   /dev/urandom.  See Chromium issue 244661 (http://crbug.com/244661).
-- patches/nss-secoid-mistake.patch: revert a change to lib/util/secoid.c
-  made by mistake.  See NSS bug 877798
-  (https://bugzilla.mozilla.org/show_bug.cgi?id=877798).
 - patches/nss-chacha20-poly1305.patch: Support ChaCha20+Poly1305 cipher
   suites.  See NSS bug 917571
   (https://bugzilla.mozilla.org/show_bug.cgi?id=917571).