Update size expectations for linux-release/sizes/nacl_helper/nacl_helper

There's a size regression for the Linux bot in
http://build.chromium.org/p/chromium/builders/Linux/builds/44555

PERF_REGRESS: nacl_helper/nacl_helper (0.29%), nacl_helper/nacl_helper (0.29%)

Details:
https://chromeperf.appspot.com/report?masters=Chromium&bots=chromium-rel-linux&tests=sizes%2Fnacl_helper&rev=232942&checked=core
(requires google.com signin).

TEST=none
BUG=315063
R=phoglund@chromium.org, phoglund@google.com

Review URL: https://codereview.chromium.org/59723003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232954 0039d316-1c4b-4281-b951-d872f2087c98

tools/perf_expectations/perf_expectations.json

@@ -374,7 +374,7 @@
  "linux-release/sizes/nacl_helper-si/initializers": {"reva": 193069, "revb": 193093, "type": "absolute", "better": "lower", "improve": 15, "regress": 17, "sha1": "d7d27d7d"},
  "linux-release/sizes/nacl_helper-text/text": {"reva": 222892, "revb": 222899, "type": "absolute", "better": "lower", "improve": 1123993, "regress": 1243233, "sha1": "31054e95"},
  "linux-release/sizes/nacl_helper-textrel/textrel": {"reva": 117081, "revb": 117299, "type": "absolute", "better": "lower", "improve": 0, "regress": 0, "sha1": "309d1763"},
- "linux-release/sizes/nacl_helper/nacl_helper": {"reva": 207276, "revb": 207476, "type": "absolute", "better": "lower", "improve": 1403834, "regress": 1556620, "sha1": "a30b27e9"},
+ "linux-release/sizes/nacl_helper/nacl_helper": {"reva": 232892, "revb": 232942, "type": "absolute", "better": "lower", "improve": 1478599, "regress": 1639173, "sha1": "a43b3f02"},
  "linux-release/sizes/nacl_helper_bootstrap-bss/bss": {"reva": 114822, "revb": 115019, "type": "absolute", "better": "lower", "improve": 1019980807, "regress": 1127347209, "sha1": "a4ff54ab"},
  "linux-release/sizes/nacl_helper_bootstrap-data/data": {"reva": 114822, "revb": 115019, "type": "absolute", "better": "lower", "improve": 19, "regress": 21, "sha1": "6a3e92f4"},
  "linux-release/sizes/nacl_helper_bootstrap-si/initializers": {"reva": 114822, "revb": 115019, "type": "absolute", "better": "lower", "improve": 0, "regress": 0, "sha1": "dd908f29"},