Use backticks not vertical bars to denote variables in comments for /video

Bug: webrtc:12338
Change-Id: I47958800407482894ff6f17c1887dce907fdf35a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227030
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34585}
diff --git a/video/end_to_end_tests/bandwidth_tests.cc b/video/end_to_end_tests/bandwidth_tests.cc
index 7217383..3d1e61b 100644
--- a/video/end_to_end_tests/bandwidth_tests.cc
+++ b/video/end_to_end_tests/bandwidth_tests.cc
@@ -94,7 +94,7 @@
 
   ~BandwidthStatsTest() override {
     // Block until all already posted tasks run to avoid races when such task
-    // accesses |this|.
+    // accesses `this`.
     SendTask(RTC_FROM_HERE, task_queue_, [] {});
   }
 
@@ -206,7 +206,7 @@
 
     ~BweObserver() override {
       // Block until all already posted tasks run to avoid races when such task
-      // accesses |this|. Also make sure we free |rtp_rtcp_| on the correct
+      // accesses `this`. Also make sure we free `rtp_rtcp_` on the correct
       // thread/task queue.
       SendTask(RTC_FROM_HERE, task_queue_, [this]() { rtp_rtcp_ = nullptr; });
     }
diff --git a/video/end_to_end_tests/fec_tests.cc b/video/end_to_end_tests/fec_tests.cc
index 77ad9eb..d63924f 100644
--- a/video/end_to_end_tests/fec_tests.cc
+++ b/video/end_to_end_tests/fec_tests.cc
@@ -412,7 +412,7 @@
             return DROP_PACKET;
           // Pass one media packet after dropped packet after last FEC,
           // otherwise receiver might never see a seq_no after
-          // |ulpfec_sequence_number_|
+          // `ulpfec_sequence_number_`
           state_ = kVerifyUlpfecPacketNotInNackList;
           break;
         case kVerifyUlpfecPacketNotInNackList:
diff --git a/video/end_to_end_tests/histogram_tests.cc b/video/end_to_end_tests/histogram_tests.cc
index fa71c15..7a3de1b 100644
--- a/video/end_to_end_tests/histogram_tests.cc
+++ b/video/end_to_end_tests/histogram_tests.cc
@@ -54,9 +54,9 @@
 
    private:
     void OnFrame(const VideoFrame& video_frame) override {
-      // The RTT is needed to estimate |ntp_time_ms| which is used by
+      // The RTT is needed to estimate `ntp_time_ms` which is used by
       // end-to-end delay stats. Therefore, start counting received frames once
-      // |ntp_time_ms| is valid.
+      // `ntp_time_ms` is valid.
       if (video_frame.ntp_time_ms() > 0 &&
           Clock::GetRealTimeClock()->CurrentNtpInMilliseconds() >=
               video_frame.ntp_time_ms()) {
diff --git a/video/end_to_end_tests/stats_tests.cc b/video/end_to_end_tests/stats_tests.cc
index 54e7bcf..9e8a9b6 100644
--- a/video/end_to_end_tests/stats_tests.cc
+++ b/video/end_to_end_tests/stats_tests.cc
@@ -474,9 +474,9 @@
     bool ShouldCreateReceivers() const override { return true; }
 
     void OnFrame(const VideoFrame& video_frame) override {
-      // The RTT is needed to estimate |ntp_time_ms| which is used by
+      // The RTT is needed to estimate `ntp_time_ms` which is used by
       // end-to-end delay stats. Therefore, start counting received frames once
-      // |ntp_time_ms| is valid.
+      // `ntp_time_ms` is valid.
       if (video_frame.ntp_time_ms() > 0 &&
           Clock::GetRealTimeClock()->CurrentNtpInMilliseconds() >=
               video_frame.ntp_time_ms()) {