Split mojo_nacl.gyp to fix ARM builds.

ppapi/ppapi_tests_mojo.gyp

 # Copyright 2014 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': [
     'ppapi_nacl_test_common.gypi',
   ],
   'targets': [
     {
@@ skipping 21 matching lines @@
           'tests/testing_instance.h',
         ],
         'link_flags': [
           '-lmojo',
           '-limc_syscalls',
           '-lppapi_cpp',
           '-lppapi',
         ],
       },
       'dependencies': [
-        '../mojo/mojo_nacl.gyp:mojo_nacl',
+        '../mojo/mojo_nacl_untrusted.gyp:libmojo',
         '../mojo/mojo_nacl.gyp:monacl_codegen',
         '../native_client/src/untrusted/nacl/nacl.gyp:imc_syscalls_lib',
         'native_client/native_client.gyp:ppapi_lib',
         'ppapi_nacl.gyp:ppapi_cpp_lib',
       ],
     },
   ],
 }