Roll src/native_client/ 7974b865b..20359cdbc (1 commit).
Roll src/native_client/ 7974b865b..20359cdbc (1 commit).

https://chromium.googlesource.com/native_client/src/native_client.git/+log/7974b865ba08..20359cdbc6f7

$ git log 7974b865b..20359cdbc --date=short --no-merges --format='%ad %ae %s'
2016-02-27 stichnot Update revision for PNaCl

CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_dbg_32_ng,linux_nacl_sdk_build
TBR=mseaborn@chromium.org

Review URL: https://codereview.chromium.org/1743083002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#378146}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk