From b5b0b98f588de2e559f89752eab88f52c7e3f1d2 Mon Sep 17 00:00:00 2001
From: philipel <philipel@webrtc.org>
Date: Tue, 8 Nov 2016 02:09:52 -0800
Subject: [PATCH] Allow webrtc::test::VcmCapturer to be updated with its
 current sink.

BUG=none

Review-Url: https://codereview.webrtc.org/2470393002
Cr-Commit-Position: refs/heads/master@{#14967}
---
 webrtc/test/vcm_capturer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/webrtc/test/vcm_capturer.cc b/webrtc/test/vcm_capturer.cc
index 49d97101e9..c79f99ffba 100644
--- a/webrtc/test/vcm_capturer.cc
+++ b/webrtc/test/vcm_capturer.cc
@@ -78,7 +78,7 @@ void VcmCapturer::Stop() {
 void VcmCapturer::AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
                                   const rtc::VideoSinkWants& wants) {
   rtc::CritScope lock(&crit_);
-  RTC_CHECK(!sink_);
+  RTC_CHECK(!sink_ || sink_ == sink);
   sink_ = sink;
 }