NaCl: Update revision in DEPS, r10290 -> r10300

NaCl: Update revision in DEPS, r10290 -> r10300

This pulls in the following Native Client changes:

r10291: (shcherbina) Validator regression tests (abi_corpus): skip some anomalous nexes.
r10292: (dschuff) Remove the requirement that PNACL_TOOLCHAIN_LABEL be set in testing scripts
r10293: (mseaborn) Add tests for nacl-glibc's futex implementation
r10294: (bradnelson) Adding buildbot selector stubs for arm newlib builders.
r10295: (sbc) Suppress pychecker warnings from files within the the python standard library.
r10296: (bradnelson) Add selector entries for win8.
r10297: (sbc) Apply -Werror for untrusted code in the Gyp build in more cases
r10298: (jfb) Fix safety check for VMVN, it was checking the wrong condition.
r10299: (bradnelson) Fixing mismatched selector name.
r10300: (shcherbina) Use new ncval as rdfa validator wrapper in regression tests.

BUG=none
TEST=nacl_integration

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=168660

[Roland McGrath, 2012-11-19 23:08:13]

lgtm