Re-add target in webrtc/libjingle that was dead.

webrtc/libjingle/xmpp/xmpp.gyp

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'includes': [ '../../build/common.gypi', ],
@@ skipping 122 matching lines @@
             },
           }
         }],
         ['OS=="android"', {
           'cflags!': [
             '-Wextra',
             '-Wall',
           ],
         }],
       ],
-    }],
+    }, # target rtc_xmpp
+    {
+      'target_name': 'libjingle_xmpphelp',
+      'type': 'static_library',
+      'dependencies': [
+        '<(webrtc_root)/../talk/libjingle.gyp:libjingle_p2p',
+      ],
+      'conditions': [
+        ['build_expat==1', {
+          'dependencies': [
+            '<(DEPTH)/third_party/expat/expat.gyp:expat',
+          ],
+        }],
+      ],
+      'sources': [
+        'jingleinfotask.cc',
+        'jingleinfotask.h',
+      ],
+      'cflags_cc!': [
+        '-Wnon-virtual-dtor',
+      ],
+    },  # target libjingle_xmpphelp
+  ],

[pthatcher1, 2016/02/08 19:11:47]

We can just delete this (and jinglinfotask.*).  It's never used by anything.

[kjellander_webrtc, 2016/02/08 19:43:20]

I'll be happy to delete. Found this though
https://code.google.com/p/chromium/codesearch#chromium/src/third_party/webrtc...
but it seems webrtc/p2p/client/autoportallocator.h is also dead code that could
be deleted.

[pthatcher, 2016/02/08 19:50:03]

Oh wow, yes.  Please delete that, too.

 }