NaCl: Update revision in DEPS, r6583 -> r6605

This pulls in the following Native Client changes:

r6584: (pasko) Bump REVISIONS for glibc.
r6585: (halyavin) Enable browser tests with glibc, part 1.
r6586: (halyavin) Disable chrome extensions tests to fix bots.
r6587: (jvoung) Update nacl_perf_expecations.json x86-64 runtime for equake to be a bit
r6588: (kschimpf) Simplify command line drivers for x86 validators. Fold ncval_driver.{c,h}
r6589: (pasko) Toolchain DEPS up(6584).
r6590: (mcgrathr) Remove src/trusted/plugin
r6591: (robertm) Towards a toolchain torture tests that can be run on the bots.
r6592: (jvoung) Remove -fno-builtin from nacl repo scons setup.
r6593: (jvoung) Tweak oprofile hack to look for the chrome process as well as sel_ldr
r6594: (mcgrathr) inbrowser_untrusted_crash_test is too flaky, disable it
r6595: (kschimpf) Harden the x86-32 detailed decoder to always complain about patterns
r6596: (jasonwkim) Getting ready for thumb2 ...
r6597: (pdox) Add -fwrapv to Spec2K 254.gap Makefile.
r6598: (robertm) * Added list of currently failing naclgcc tests.
r6599: (mcgrathr) Fix toolchain-git-try naming
r6600: (mcgrathr) Start low memory reservation at 0, not 4k
r6601: (bradnelson) Updating nacl to accept the 'linux3' platform.
r6602: (bsy) fix a typo in header file by eliminating the dtor declaration.  Dtors
r6603: (robertm) Enable sharded trybots for pnacl.
r6604: (mcgrathr) Update gcc and glibc revisions
r6605: (jasonwkim) Shave the SCons Yak.

BUG=none
TEST=nacl_integration


Review URL: http://codereview.chromium.org/7817012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@99300 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -7,7 +7,7 @@ vars = {
   "webkit_revision": "94351",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
-  "nacl_revision": "6583",
+  "nacl_revision": "6605",
   # 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