GitLab

* Move code out of libjingle_p2p and libjingle_peerconnection into the libjingle lib.
* Update gyp files that previously depended on libjingle_p2p to depend on libjingle.
* Only the constant files are left in the extra libs (which is why they exist).
* Move the webrtc code out into a separate target.

Review URL: https://codereview.chromium.org/12465002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@186277 0039d316-1c4b-4281-b951-d872f2087c98