Checking permission before granting local IP breaks extensions or apps which use WebRTC and have already access to such information through chrome app api. The enforcement of not allowing UDP is also redundant since manifest has its own security model.

BUG=520101

Review URL: https://codereview.chromium.org/1371163003

Cr-Commit-Position: refs/heads/master@{#351356}
8 files changed