NaCl: Update revision in DEPS, r6562 -> r6583

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 44e33f12ea9827469fae923d0f9e74223b0cb19c..4e56448fb59d73f25b78291aa2af9a077274decf 100644
--- a/DEPS
+++ b/DEPS
@@ -7,12 +7,12 @@ vars = {
   "webkit_revision": "94022",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
-  "nacl_revision": "6562",
+  "nacl_revision": "6583",
   # After changing nacl_revision, run 'glient sync' and check native_client/DEPS
   # to update other nacl_*_revision's.
   # TODO(brettw) We should use the "From" syntax to avoid hardcoding the
   # revisions here, but it makes checkdeps confused. We should fix checkdeps.
-  "nacl_tools_revision": "5360",  # native_client/DEPS: tools_rev
+  "nacl_tools_revision": "6504",  # native_client/DEPS: tools_rev
 
   # These hashes need to be updated when nacl_toolchain_revision is changed.
   # After changing nacl_toolchain_revision, run 'gclient runhooks' to get the