Update webrtc to r4819.

third_party/libjingle/libjingle.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': [
     '../../build/win_precompile.gypi',
   ],
   'variables': {
     'enabled_libjingle_device_manager%': 0,
@@ skipping 264 matching lines @@
         '<(libjingle_source)/talk/base/common.cc',
         '<(libjingle_source)/talk/base/common.h',
         '<(libjingle_source)/talk/base/cpumonitor.cc',
         '<(libjingle_source)/talk/base/cpumonitor.h',
         '<(libjingle_source)/talk/base/crc32.cc',
         '<(libjingle_source)/talk/base/crc32.h',
         '<(libjingle_source)/talk/base/criticalsection.h',
         '<(libjingle_source)/talk/base/cryptstring.h',
         '<(libjingle_source)/talk/base/diskcache.cc',
         '<(libjingle_source)/talk/base/diskcache.h',
+        '<(libjingle_source)/talk/base/dscp.h',
         '<(libjingle_source)/talk/base/event.cc',
         '<(libjingle_source)/talk/base/event.h',
         '<(libjingle_source)/talk/base/fileutils.cc',
         '<(libjingle_source)/talk/base/fileutils.h',
         '<(libjingle_source)/talk/base/firewallsocketserver.cc',
         '<(libjingle_source)/talk/base/firewallsocketserver.h',
         '<(libjingle_source)/talk/base/flags.cc',
         '<(libjingle_source)/talk/base/flags.h',
         '<(libjingle_source)/talk/base/helpers.cc',
         '<(libjingle_source)/talk/base/helpers.h',
@@ skipping 656 matching lines @@
               # in this directory and not lib.target as will otherwise be
               # the case with make builds.
               'product_dir': '<(PRODUCT_DIR)/lib',
             }],
           ],
         },  # target libpeerconnection
       ],
     }],
   ],
 }