Delete GetRenderer method, used only by the tests.

talk/media/webrtc/webrtcvideoengine2.cc

Index: talk/media/webrtc/webrtcvideoengine2.cc
diff --git a/talk/media/webrtc/webrtcvideoengine2.cc b/talk/media/webrtc/webrtcvideoengine2.cc
index e6bd294bc74e70f392cdd9f8a2486f8bf352a1fb..f237b8fde66787c2653cac6fac1d3bf4384eea63 100644
--- a/talk/media/webrtc/webrtcvideoengine2.cc
+++ b/talk/media/webrtc/webrtcvideoengine2.cc
@@ -1184,22 +1184,6 @@ bool WebRtcVideoChannel2::SetRenderer(uint32_t ssrc, VideoRenderer* renderer) {
   return true;
 }
 
-bool WebRtcVideoChannel2::GetRenderer(uint32_t ssrc, VideoRenderer** renderer) {
-  if (ssrc == 0) {
-    *renderer = default_unsignalled_ssrc_handler_.GetDefaultRenderer();
-    return *renderer != NULL;
-  }
-
-  rtc::CritScope stream_lock(&stream_crit_);
-  std::map<uint32_t, WebRtcVideoReceiveStream*>::iterator it =
-      receive_streams_.find(ssrc);
-  if (it == receive_streams_.end()) {
-    return false;
-  }
-  *renderer = it->second->GetRenderer();
-  return true;
-}
-
 bool WebRtcVideoChannel2::GetStats(VideoMediaInfo* info) {
   info->Clear();
   FillSenderStats(info);
@@ -2480,13 +2464,6 @@ void WebRtcVideoChannel2::WebRtcVideoReceiveStream::SetRenderer(
   renderer_ = renderer;
 }
 
-VideoRenderer* WebRtcVideoChannel2::WebRtcVideoReceiveStream::GetRenderer() {
-  // TODO(pbos): Remove GetRenderer and all uses of it, it's thread-unsafe by
-  // design.
-  rtc::CritScope crit(&renderer_lock_);
-  return renderer_;
-}
-
 std::string
 WebRtcVideoChannel2::WebRtcVideoReceiveStream::GetCodecNameFromPayloadType(
     int payload_type) {