Check media permissions (mic/camera) before exposing local addresses to WebRTC.

content/content_renderer.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',
     '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
     '../cc/cc.gyp:cc',
     '../cc/blink/cc_blink.gyp:cc_blink',
@@ skipping 683 matching lines @@
       'renderer/media/webrtc_local_audio_renderer.cc',
       'renderer/media/webrtc_local_audio_renderer.h',
       'renderer/media/webrtc_local_audio_source_provider.cc',
       'renderer/media/webrtc_local_audio_source_provider.h',
       'renderer/media/webrtc_local_audio_track.cc',
       'renderer/media/webrtc_local_audio_track.h',
       'renderer/media/webrtc_logging.cc',
       'renderer/media/webrtc_logging.h',
       'renderer/media/webrtc_uma_histograms.cc',
       'renderer/media/webrtc_uma_histograms.h',
+      'renderer/p2p/empty_network_manager.cc',
+      'renderer/p2p/empty_network_manager.h',
+      'renderer/p2p/filtering_network_manager.cc',
+      'renderer/p2p/filtering_network_manager.h',
       'renderer/p2p/host_address_request.cc',
       'renderer/p2p/host_address_request.h',
       'renderer/p2p/ipc_network_manager.cc',
       'renderer/p2p/ipc_network_manager.h',
       'renderer/p2p/ipc_socket_factory.cc',
       'renderer/p2p/ipc_socket_factory.h',
       'renderer/p2p/network_list_observer.h',
+      'renderer/p2p/network_manager_uma.cc',
+      'renderer/p2p/network_manager_uma.h',
       'renderer/p2p/port_allocator.cc',
       'renderer/p2p/port_allocator.h',
       'renderer/p2p/socket_client_impl.cc',
       'renderer/p2p/socket_client_impl.h',
       'renderer/p2p/socket_dispatcher.cc',
       'renderer/p2p/socket_dispatcher.h',
     ],
     # Stuff only used when both WebRTC and plugins are enabled.
     'private_renderer_plugin_webrtc_sources': [
       'renderer/media/pepper_to_video_track_adapter.cc',
@@ skipping 167 matching lines @@
     }],
   ],
   'target_conditions': [
     ['OS=="android"', {
       'sources/': [
         ['include', '^renderer/render_view_linux\\.cc$'],
       ],
     }],
   ],
 }