Roll src/native_client/ to b3d4cc125348924f727d3b87cee3674a839b54a0.
Roll src/native_client/ to b3d4cc125348924f727d3b87cee3674a839b54a0.

$ git log f58755f5f..b3d4cc125 --date=short --format='%ad %ae %s'
2015-07-09 sammc Fix pointer sign mismatches.
2015-07-09 jvoung PNaCl: Update Subzero revision in pnacl/COMPONENT_REVISIONS
2015-07-09 smklein Verifying entry point in NaClAppLoadFileDynamically.
2015-07-09 lhchavez Non-SFI mode: Use clone() instead of pthread_create()
2015-07-09 mseaborn PNaCl: Update LLVM revision in pnacl/COMPONENT_REVISIONS
2015-07-08 mcgrathr toolchain_build: Update glibc revision
2015-07-08 mcgrathr cygtar: Create Windows hard links (or copies) instead of Cygwin symlinks
2015-07-08 zhitingzhu This brings in the following glibc revision:

BUG=505303

Review URL: https://codereview.chromium.org/1229143004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#338224}

lihui7115/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,lihui7115/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,lihui7115/ChromiumGStreamerBackend,lihui7115/ChromiumGStreamerBackend,lihui7115/ChromiumGStreamerBackend,lihui7115/ChromiumGStreamerBackend,lihui7115/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,lihui7115/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,lihui7115/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend