Fix size regression on Mac

ppapi/native_client/native_client.gyp

 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'includes': [
     '../../native_client/build/common.gypi',
   ],
   'conditions': [
     ['disable_nacl!=1', {
@@ skipping 40 matching lines @@
               '-lsrpc',
               '-limc_syscalls',
               '-lplatform',
               '-lgio',
               '-lm',
               '-Wl,--section-start,.rodata=<(NACL_IRT_DATA_START)',
               '-Wl,-Ttext-segment=<(NACL_IRT_TEXT_START)',
             ],
             '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',
               '<(PRODUCT_DIR)/obj/gen/tc_newlib/lib64/libsrpc.a',
               '<(PRODUCT_DIR)/obj/gen/tc_newlib/lib64/libplatform.a',
               '<(PRODUCT_DIR)/obj/gen/tc_newlib/lib64/libimc_syscalls.a',
               '<(PRODUCT_DIR)/obj/gen/tc_newlib/lib64/libgio.a',
             ],
             'extra_deps32': [
               '<(PRODUCT_DIR)/obj/gen/tc_newlib/lib32/libppruntime.a',
@@ skipping 10 matching lines @@
             '../../native_client/src/shared/srpc/srpc.gyp:srpc_lib',
             '../../native_client/src/shared/platform/platform.gyp:platform_lib',
             '../../native_client/src/untrusted/nacl/nacl.gyp:imc_syscalls_lib',
             '../../native_client/src/shared/gio/gio.gyp:gio_lib',
           ],
         },
       ],
     }],
   ],
 }