Remove dependency on XMPP implementation in WebRTC

remoting/remoting_nacl.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': [
     '../build/common_untrusted.gypi',
     'remoting_srcs.gypi',
   ],
 
@@ skipping 87 matching lines @@
         'build_newlib': 0,
         'build_pnacl_newlib': 1,
       },
       'dependencies': [
         '../base/base_nacl.gyp:base_nacl',
         '../jingle/jingle_nacl.gyp:jingle_glue_nacl',
         '../native_client/tools.gyp:prep_toolchain',
         '../native_client_sdk/native_client_sdk_untrusted.gyp:nacl_io_untrusted',
         '../net/net_nacl.gyp:net_nacl',
         '../third_party/boringssl/boringssl_nacl.gyp:boringssl_nacl',
+        '../third_party/expat/expat_nacl.gyp:expat_nacl',
         '../third_party/khronos/khronos.gyp:khronos_headers',
         '../third_party/libjingle/libjingle_nacl.gyp:libjingle_nacl',
         '../third_party/libvpx/libvpx_nacl.gyp:libvpx_nacl',
         '../third_party/libyuv/libyuv_nacl.gyp:libyuv_nacl',
         '../third_party/opus/opus_nacl.gyp:opus_nacl',
         'remoting_proto_nacl',
         'remoting_webrtc_nacl',
       ],
       'sources': [
         '../ui/events/keycodes/dom4/keycode_converter.cc',
@@ skipping 115 matching lines @@
         '-lppapi_cpp',
         '-lpthread',
         '-lnacl_io',
       ],
       'sources': [
         'client/plugin/pepper_module.cc',
       ],
     },  # end of target 'remoting_client_plugin_nacl'
   ]
 }