Let the browser handle external navigations from DevTools.

BUG=180555


Review URL: https://chromiumcodereview.appspot.com/12531004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@186793 0039d316-1c4b-4281-b951-d872f2087c98
void RenderViewImpl::willStartUsingPeerConnectionHandler(
    WebKit::WebFrame* frame, WebKit::WebRTCPeerConnectionHandler* handler) {
#if defined(ENABLE_WEBRTC)
  static_cast<RTCPeerConnectionHandler*>(handler)->associateWithFrame(frame);
#endif
}

void RenderViewImpl::willStartUsingPeerConnectionHandler(
    WebKit::WebFrame* frame, WebKit::WebRTCPeerConnectionHandler* handler) {
#if defined(ENABLE_WEBRTC)
  static_cast<RTCPeerConnectionHandler*>(handler)->associateWithFrame(frame);
#endif
}
