Use backticks not vertical bars to denote variables in comments

Bug: webrtc:12338
Change-Id: I89c8b3a328d04203177522cbdfd9e606fd4bce4c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/228246
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34696}
diff --git a/api/ice_transport_factory.h b/api/ice_transport_factory.h
index a9fd04e..2268ea5 100644
--- a/api/ice_transport_factory.h
+++ b/api/ice_transport_factory.h
@@ -35,9 +35,9 @@
 // without using a webrtc::PeerConnection.
 // The returned object must be accessed and destroyed on the thread that
 // created it.
-// |init.port_allocator()| is required and must outlive the created
+// `init.port_allocator()` is required and must outlive the created
 //     IceTransportInterface object.
-// |init.async_resolver_factory()| and |init.event_log()| are optional, but if
+// `init.async_resolver_factory()` and `init.event_log()` are optional, but if
 //     provided must outlive the created IceTransportInterface object.
 RTC_EXPORT rtc::scoped_refptr<IceTransportInterface> CreateIceTransport(
     IceTransportInit);
diff --git a/api/jsep.h b/api/jsep.h
index 3348d7b..d2aa57c 100644
--- a/api/jsep.h
+++ b/api/jsep.h
@@ -166,8 +166,8 @@
   // Ownership is not transferred.
   //
   // Returns false if the session description does not have a media section
-  // that corresponds to |candidate.sdp_mid()| or
-  // |candidate.sdp_mline_index()|.
+  // that corresponds to `candidate.sdp_mid()` or
+  // `candidate.sdp_mline_index()`.
   virtual bool AddCandidate(const IceCandidateInterface* candidate) = 0;
 
   // Removes the candidates from the description, if found.
diff --git a/api/peer_connection_interface.h b/api/peer_connection_interface.h
index b9350ac..a3c420f 100644
--- a/api/peer_connection_interface.h
+++ b/api/peer_connection_interface.h
@@ -1295,8 +1295,8 @@
   // This is called when signaling indicates a transceiver will be receiving
   // media from the remote endpoint. This is fired during a call to
   // SetRemoteDescription. The receiving track can be accessed by:
-  // |transceiver->receiver()->track()| and its associated streams by
-  // |transceiver->receiver()->streams()|.
+  // `transceiver->receiver()->track()` and its associated streams by
+  // `transceiver->receiver()->streams()`.
   // Note: This will only be called if Unified Plan semantics are specified.
   // This behavior is specified in section 2.2.8.2.5 of the "Set the
   // RTCSessionDescription" algorithm:
diff --git a/api/rtp_packet_info.h b/api/rtp_packet_info.h
index 13d3a39..bc9839f 100644
--- a/api/rtp_packet_info.h
+++ b/api/rtp_packet_info.h
@@ -113,7 +113,7 @@
   // capture clock offset defined in the Absolute Capture Time header extension.
   absl::optional<int64_t> local_capture_clock_offset_;
 
-  // Local |webrtc::Clock|-based timestamp of when the packet was received.
+  // Local `webrtc::Clock`-based timestamp of when the packet was received.
   Timestamp receive_time_;
 };
 
diff --git a/api/rtp_packet_infos.h b/api/rtp_packet_infos.h
index d636464..2ca3174 100644
--- a/api/rtp_packet_infos.h
+++ b/api/rtp_packet_infos.h
@@ -26,8 +26,8 @@
 // an audio or video frame. Uses internal reference counting to make it very
 // cheap to copy.
 //
-// We should ideally just use |std::vector<RtpPacketInfo>| and have it
-// |std::move()|-ed as the per-packet information is transferred from one object
+// We should ideally just use `std::vector<RtpPacketInfo>` and have it
+// `std::move()`-ed as the per-packet information is transferred from one object
 // to another. But moving the info, instead of copying it, is not easily done
 // for the current video code.
 class RTC_EXPORT RtpPacketInfos {
diff --git a/api/set_local_description_observer_interface.h b/api/set_local_description_observer_interface.h
index 90d000c..8e7b625 100644
--- a/api/set_local_description_observer_interface.h
+++ b/api/set_local_description_observer_interface.h
@@ -21,7 +21,7 @@
 // the observer to examine the effects of the operation without delay.
 class SetLocalDescriptionObserverInterface : public rtc::RefCountInterface {
  public:
-  // On success, |error.ok()| is true.
+  // On success, `error.ok()` is true.
   virtual void OnSetLocalDescriptionComplete(RTCError error) = 0;
 };
 
diff --git a/api/set_remote_description_observer_interface.h b/api/set_remote_description_observer_interface.h
index 1782555..d1c0753 100644
--- a/api/set_remote_description_observer_interface.h
+++ b/api/set_remote_description_observer_interface.h
@@ -22,7 +22,7 @@
 // operation.
 class SetRemoteDescriptionObserverInterface : public rtc::RefCountInterface {
  public:
-  // On success, |error.ok()| is true.
+  // On success, `error.ok()` is true.
   virtual void OnSetRemoteDescriptionComplete(RTCError error) = 0;
 };
 
diff --git a/api/stats/rtc_stats.h b/api/stats/rtc_stats.h
index 8ad39b4..a5fae52 100644
--- a/api/stats/rtc_stats.h
+++ b/api/stats/rtc_stats.h
@@ -217,7 +217,7 @@
 
 // Interface for `RTCStats` members, which have a name and a value of a type
 // defined in a subclass. Only the types listed in `Type` are supported, these
-// are implemented by |RTCStatsMember<T>|. The value of a member may be
+// are implemented by `RTCStatsMember<T>`. The value of a member may be
 // undefined, the value can only be read if `is_defined`.
 class RTCStatsMemberInterface {
  public:
@@ -286,7 +286,7 @@
 
 // Template implementation of `RTCStatsMemberInterface`.
 // The supported types are the ones described by
-// |RTCStatsMemberInterface::Type|.
+// `RTCStatsMemberInterface::Type`.
 template <typename T>
 class RTCStatsMember : public RTCStatsMemberInterface {
  public:
diff --git a/api/stats/rtc_stats_report.h b/api/stats/rtc_stats_report.h
index a26db86..2ced422 100644
--- a/api/stats/rtc_stats_report.h
+++ b/api/stats/rtc_stats_report.h
@@ -90,7 +90,7 @@
   // Takes ownership of all the stats in `other`, leaving it empty.
   void TakeMembersFrom(rtc::scoped_refptr<RTCStatsReport> other);
 
-  // Stats iterators. Stats are ordered lexicographically on |RTCStats::id|.
+  // Stats iterators. Stats are ordered lexicographically on `RTCStats::id`.
   ConstIterator begin() const;
   ConstIterator end() const;
 
diff --git a/api/stats/rtcstats_objects.h b/api/stats/rtcstats_objects.h
index b18ef97..8a6327e 100644
--- a/api/stats/rtcstats_objects.h
+++ b/api/stats/rtcstats_objects.h
@@ -57,7 +57,7 @@
   static const char* const kFailed;
 };
 
-// |RTCMediaStreamTrackStats::kind| is not an enum in the spec but the only
+// `RTCMediaStreamTrackStats::kind` is not an enum in the spec but the only
 // valid values are "audio" and "video".
 // https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamtrackstats-kind
 struct RTCMediaStreamTrackKind {
diff --git a/api/stats_types.h b/api/stats_types.h
index 6745d14..9a03db3 100644
--- a/api/stats_types.h
+++ b/api/stats_types.h
@@ -232,7 +232,7 @@
     kStatsValueNameSrtpCipher,
     kStatsValueNameTargetDelayMs,
     kStatsValueNameTargetEncBitrate,
-    kStatsValueNameTimingFrameInfo,  // Result of |TimingFrameInfo::ToString|
+    kStatsValueNameTimingFrameInfo,  // Result of `TimingFrameInfo::ToString`
     kStatsValueNameTrackId,
     kStatsValueNameTransmitBitrate,
     kStatsValueNameTransportType,
diff --git a/api/task_queue/task_queue_base.h b/api/task_queue/task_queue_base.h
index 88419ed..d8af6e6 100644
--- a/api/task_queue/task_queue_base.h
+++ b/api/task_queue/task_queue_base.h
@@ -38,7 +38,7 @@
   virtual void Delete() = 0;
 
   // Schedules a task to execute. Tasks are executed in FIFO order.
-  // If |task->Run()| returns true, task is deleted on the task queue
+  // If `task->Run()` returns true, task is deleted on the task queue
   // before next QueuedTask starts executing.
   // When a TaskQueue is deleted, pending tasks will not be executed but they
   // will be deleted. The deletion of tasks may happen synchronously on the
diff --git a/api/video_codecs/video_encoder.h b/api/video_codecs/video_encoder.h
index 2bdf8d0..3035dd7 100644
--- a/api/video_codecs/video_encoder.h
+++ b/api/video_codecs/video_encoder.h
@@ -287,7 +287,7 @@
     // the last InitEncode() call.
     double framerate_fps;
     // The network bandwidth available for video. This is at least
-    // |bitrate.get_sum_bps()|, but may be higher if the application is not
+    // `bitrate.get_sum_bps()`, but may be higher if the application is not
     // network constrained.
     DataRate bandwidth_allocation;
 
diff --git a/api/video_codecs/video_encoder_config.h b/api/video_codecs/video_encoder_config.h
index 5440f1f..cfda2ad 100644
--- a/api/video_codecs/video_encoder_config.h
+++ b/api/video_codecs/video_encoder_config.h
@@ -129,7 +129,7 @@
     // An implementation should return a std::vector<VideoStream> with the
     // wanted VideoStream settings for the given video resolution.
     // The size of the vector may not be larger than
-    // |encoder_config.number_of_streams|.
+    // `encoder_config.number_of_streams`.
     virtual std::vector<VideoStream> CreateEncoderStreams(
         int width,
         int height,
diff --git a/api/video_codecs/vp8_frame_buffer_controller.h b/api/video_codecs/vp8_frame_buffer_controller.h
index 852008f..fc494f7 100644
--- a/api/video_codecs/vp8_frame_buffer_controller.h
+++ b/api/video_codecs/vp8_frame_buffer_controller.h
@@ -129,7 +129,7 @@
   // Called by the encoder before encoding a frame. Returns a set of overrides
   // the controller wishes to enact in the encoder's configuration.
   // If a value is not overridden, previous overrides are still in effect.
-  // However, if |Vp8EncoderConfig::reset_previous_configuration_overrides|
+  // However, if `Vp8EncoderConfig::reset_previous_configuration_overrides`
   // is set to `true`, all previous overrides are reset.
   virtual Vp8EncoderConfig UpdateConfiguration(size_t stream_index) = 0;