Chromium roll (https://codereview.chromium.org/976353002)

DEPS.nacl

 import gclient_utils
 import os
 
 path = gclient_utils.FindGclientRoot(os.getcwd())
 execfile(os.path.join(path, 'src', 'DEPS'))  # Include proper Mojo DEPS.
 
 # Now we need to add in NaCl.
 
 vars.update({
-  'nacl_revision': '62b6f76d587ef1f7e9231815fd31fef0a1dca6ff',
+  'nacl_revision': '19f11aa481261f38f2a1e9a04e41a7e12aa70e32',
 })
 
 deps.update({
   'src/native_client':
     Var('chromium_git') + '/native_client/src/native_client.git' + '@' + Var('nacl_revision'),
 })
 
 hooks.append({
   # This downloads binaries for Native Client's newlib toolchain.
   # Done in lieu of building the toolchain from scratch as it can take
   # anywhere from 30 minutes to 4 hours depending on platform to build.
   'name': 'nacltools',
   'pattern': '.',
   'action': [
       'python', 'src/build/download_nacl_toolchains.py',
       '--packages', 'pnacl_newlib',
       'sync', '--extract',
   ],
 })