Fix size regression on Mac

Change: http://codereview.chromium.org/8502036 added a size regression
since it failed to strip debug information from the IRT.  This CL
pulls in the change to build_nexe.py via DEPS roll and adds the
strip flag.

BUG= http://code.google.com/p/chromium/issues/detail?id=96782
TBR=dmichael@chromium.org
Review URL: http://codereview.chromium.org/8550001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@109780 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -8,7 +8,7 @@ vars = {
   "webkit_revision": "100033",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
-  "nacl_revision": "7141",
+  "nacl_revision": "7144",
   # After changing nacl_revision, run 'glient sync' and check native_client/DEPS
   # to update other nacl_*_revision's.
   "nacl_tools_revision": "7088",  # native_client/DEPS: tools_rev

ppapi/native_client/native_client.gyp

@@ -58,6 +58,9 @@
             ],
             'sources': [
             ],
+            'extra_args': [
+              '--strip-debug',
+            ],
             'extra_deps64': [
               '<(PRODUCT_DIR)/obj/gen/tc_newlib/lib64/libppruntime.a',
               '<(PRODUCT_DIR)/obj/gen/tc_newlib/lib64/libirt_browser.a',