NaCl: Update revision in DEPS, r8249 -> r8264

NaCl: Update revision in DEPS, r8249 -> r8264

This pulls in the following Native Client changes:

r8250: (jvoung) Also make unsandboxed translator not link in pepper shims for SPEC.
r8251: (bradchen) Partially support running 32-bit glibc tests.
r8252: (jvoung) Remove workaround for __LITTLE_ENDIAN__ now that clang defines it for le32.
r8253: (ncbray) Remove experimental approach for supporting ChromeOS builds.
r8254: (mseaborn) dyncode: Remove some uncalled functions in dynamic_modify_test.c
r8255: (bbudge) Update Chrome revision in NaCl DEPS.
r8257: (mseaborn) Remove tools/modular-build, since it is not used any more
r8258: (jvoung) Update perf expectations for 252.eon transfer size.
r8259: (thakis) Delete run_sigpipe_test.
r8260: (thakis) Fix a typo in validator_x86_32.gyp
r8261: (dschuff) emit testsuite failure results in a format understood by buildbot error extension
r8262: (bradchen) Add a test for sincos and sincosf.
*r8263: (mseaborn) Move the Windows Cygwin x86-32 binutils assembler into deps/third_party
r8264: (mseaborn) NaClAppThread: Remove misleading comment

* This involves adding gnu_binutils to DEPS, since it's not longer under native_client.

BUG=http://code.google.com/p/nativeclient/issues/detail?id=2704
TEST=nacl_integration

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=132286

[bradn, 2012-04-13 21:26:54]

lgtm