Cast payload types to int for logging.

uint8_t gets interpreted as char and printed as such, instead of being
printed in decimal, casting them to int allows us to read what payload
types are actually used without converting them from ASCII first.

BUG=chromium:390874
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/13919004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6662 4adac7df-926f-26a2-2b94-8c16560cd09d
Implement unittest SetRecvCodecsAcceptDefaultCodecs.

BUG=1788
R=pbos@webrtc.org, wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/14869004

Patch from Changbin Shao <changbin.shao@intel.com>.

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6663 4adac7df-926f-26a2-2b94-8c16560cd09d
Move pacer to fully use webrtc::Clock instead of webrtc::TickTime.

This required rewriting the send-side delay stats api to be callback based, as otherwise the SuspendBelowMinBitrate test started flaking much more frequently since it had lock order inversion problems.

R=pbos@webrtc.org, tommi@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/21869005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6664 4adac7df-926f-26a2-2b94-8c16560cd09d
Fixing memcheck leak suppressions for XMPPClient tests.

BUG=
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/16049004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6665 4adac7df-926f-26a2-2b94-8c16560cd09d
Thread annotate RTCPSender.

Also fixes data races in RTCPSender::SetCSRCStatus() and
RTCPSender::SetStartTimestamp().

BUG=
R=tommi@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/20919004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6666 4adac7df-926f-26a2-2b94-8c16560cd09d