Adding WebRTC logging filter, handler and handler host.

content/content_common.gypi

 # 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../build/temp_gyp/googleurl.gyp:googleurl',
     '../components/tracing.gyp:tracing',
     '../media/media.gyp:media',
@@ skipping 367 matching lines @@
     'common/url_schemes.h',
     'common/utility_messages.h',
     'common/view_messages.h',
     'common/view_message_enums.h',
     'common/web_database_observer_impl.cc',
     'common/web_database_observer_impl.h',
     'common/webkitplatformsupport_impl.cc',
     'common/webkitplatformsupport_impl.h',
     'common/webmessageportchannel_impl.cc',
     'common/webmessageportchannel_impl.h',
+    'common/webrtc_logging_messages.h'
     'common/worker_messages.h',
     'common/zygote_commands_linux.h',
     'port/common/input_event_ack_state.h',
     'public/common/common_param_traits.cc',
     'public/common/common_param_traits.h',
     'public/common/common_param_traits_macros.h',
     'public/common/content_client.cc',
     'public/common/content_client.h',
     'public/common/window_container_type.cc',
     'public/common/window_container_type.h',
@@ skipping 186 matching lines @@
         '..\\third_party\\directxsdk\\files\\Redist\\<(input)',
         '<(output)',
         '<(PRODUCT_DIR)',
         ],
         'msvs_cygwin_shell': 1,
       },
      ]
     }],
   ],
 }