Roll src/native_client/ 864091e4b..44a5a1eee (1 commit).

https://chromium.googlesource.com/native_client/src/native_client.git/+log/864091e4b887..44a5a1eee2ce

$ git log 864091e4b..44a5a1eee --date=short --no-merges --format='%ad %ae %s'
2016-04-18 mseaborn Move part of ASSERT_EQ() definition to an inline function

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/1902483002

Cr-Commit-Position: refs/heads/master@{#387987}

DEPS

@@ -83,7 +83,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling NaCl
   # and whatever else without interference from each other.
-  'nacl_revision': '864091e4b8875e8562b193bbdf5f8d95015d5ab9',
+  'nacl_revision': '44a5a1eee2ce76d15bb0169472b177f61497040d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling dEQP
   # and whatever else without interference from each other.