Disable NaCl IPC proxy untrusted build on arm.

ppapi/native_client/native_client.gyp

 # Copyright (c) 2012 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/untrusted.gypi',
   ],
   'conditions': [
     ['disable_nacl==0 and disable_nacl_untrusted==0', {
@@ skipping 159 matching lines @@
           },
           'dependencies': [
             'src/shared/ppapi_proxy/ppapi_proxy_untrusted.gyp:ppruntime_lib',
             '../../native_client/src/untrusted/irt/irt.gyp:irt_browser_lib',
             '../../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',
           ],
         },
+      ],
+    }],
+    ['disable_nacl==0 and disable_nacl_untrusted==0 and target_arch!="arm"', {
+      'targets': [
         {
           'target_name': 'nacl_ipc_irt',
           'type': 'none',
           'variables': {
             'nexe_target': 'nacl_ipc_irt',
             # These out_* fields override the default filenames, which
             # include a "_newlib" suffix.
             'out_newlib64': '<(PRODUCT_DIR)/nacl_ipc_irt_x86_64.nexe',
             'out_newlib32': '<(PRODUCT_DIR)/nacl_ipc_irt_x86_32.nexe',
             'out_newlib_arm': '<(PRODUCT_DIR)/nacl_ipc_irt_arm.nexe',
@@ skipping 189 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',
           ],
         },
       ],
     }],
   ],
 }