Add policy to control valid UDP port range in WebRTC

chrome/common/pref_names.cc

 // 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.
 
 #include "chrome/common/pref_names.h"
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
@@ skipping 1243 matching lines @@
 // Whether WebRTC should use non-proxied UDP. If false, WebRTC will not send UDP
 // unless it goes through a proxy (i.e RETURN when it's available).  If no UDP
 // proxy is configured, it will not send UDP.  If true, WebRTC will send UDP
 // regardless of whether or not a proxy is configured. TODO(guoweis): Remove
 // this at M50.
 const char kWebRTCNonProxiedUdpEnabled[] =
     "webrtc.nonproxied_udp_enabled";
 // Define the IP handling policy override that WebRTC should follow. When not
 // set, it defaults to "default".
 const char kWebRTCIPHandlingPolicy[] = "webrtc.ip_handling_policy";
+// Define range of UDP ports allowed to be used by WebRTC PeerConnections.
+const char kWebRTCUDPPortRange[] = "webrtc.udp_port_range";
 #endif
 
 // *************** LOCAL STATE ***************
 // These are attached to the machine/installation
 
 // A pref to configure networks device-wide. Its value must be a list of
 // NetworkConfigurations according to the OpenNetworkConfiguration
 // specification.
 // Currently, this pref is only used to store the policy. The user's
 // configuration is still stored in Shill.
@@ skipping 968 matching lines @@
 #endif
 
 // The base64-encoded representation of the public key to use to validate origin
 // trial token signatures.
 const char kOriginTrialPublicKey[] = "origin_trials.public_key";
 
 // A list of origin trial features to disable by policy.
 const char kOriginTrialDisabledFeatures[] = "origin_trials.disabled_features";
 
 }  // namespace prefs