commit a84ace48ac5c7c257913ce4f6ed9ab88d7eb9dca
author guoweis <guoweis@chromium.org> Sat Aug 29 01:33:28 2015
committer Commit bot <commit-bot@chromium.org> Sat Aug 29 01:34:05 2015
tree 8d31fbded62f8eabf721248a3a289e0acad3b59b
parent 14a39f1962eb2ee0e820a927d6fd3f034d8c1068

Create a new preference which disables UDP protocol for WebRTC. The preference will be used in an extension. The extension API CL will follow.

WebRTC by default uses UDP to connect to peer and TURN servers. This could lead to ip leak when using proxy server to hide the IP. Introduce a preference which disallows any usage of UDP protocol.

This is similar to how we added "enable_multiple_routes" (CL: https://codereview.chromium.org/916873004/) and is based on ongoing CL https://codereview.webrtc.org/1311153003/

BUG=webrtc:4784

Review URL: https://codereview.chromium.org/1309543004

Cr-Commit-Position: refs/heads/master@{#346294}