Update video-raf spec pointer comments

This CL only modifies comments, pointing them towards the official
video-raf spec.

TBR: mlamouri@chromium.org
Bug: 1022186
Change-Id: I2da26aa139e453ea5547b3bab84e64a2e64c29be
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2025831Reviewed-by: Thomas Guilbert <tguilbert@chromium.org>
Commit-Queue: Thomas Guilbert <tguilbert@chromium.org>
Cr-Commit-Position: refs/heads/master@{#736131}

third_party/blink/public/platform/web_media_player.h

@@ -436,7 +436,7 @@ class WebMediaPlayer {
   // Register a request to be notified the next time a video frame is presented
   // to the compositor. The video frame and its metadata will be surfaced via
   // WebMediaPlayerClient::OnRequestAnimationFrame().
-  // TODO(https://crbug.com/1022186): Add pointer to spec.
+  // See https://wicg.github.io/video-raf/.
   virtual void RequestAnimationFrame() {}
 
   virtual base::WeakPtr<WebMediaPlayer> AsWeakPtr() = 0;

third_party/blink/public/platform/web_media_player_client.h

@@ -187,7 +187,7 @@ class BLINK_PLATFORM_EXPORT WebMediaPlayerClient {
 
   // Called when a video frame has been presented to the compositor, after a
   // request was initiated via WebMediaPlayer::RequestAnimationFrame().
-  // TODO(https://crbug.com/1022186): Add pointer to spec.
+  // See https://wicg.github.io/video-raf/.
   virtual void OnRequestAnimationFrame(
       base::TimeTicks presentation_time,
       base::TimeTicks expected_presentation_time,

third_party/blink/renderer/modules/video_raf/html_video_element_video_request_animation_frame.idl

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(https://crbug.com/1022186): Add pointer to video.rAF spec.
+// See https://wicg.github.io/video-raf/.
 [
     RuntimeEnabled=VideoRequestAnimationFrame,
     ImplementedAs=VideoRequestAnimationFrameImpl

third_party/blink/renderer/modules/video_raf/video_frame_metadata.idl

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(https://crbug.com/1022186): Add pointer to video.rAF spec.
+// See https://wicg.github.io/video-raf/.
 
 dictionary VideoFrameMetadata {
     // The time at which the user agent submitted the frame for composition.

third_party/blink/renderer/modules/video_raf/video_frame_request_callback.idl

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(https://crbug.com/1022186): Add pointer to video.rAF spec.
+// See https://wicg.github.io/video-raf/.
 
 [RuntimeEnabled=VideoRequestAnimationFrame]
 callback VideoFrameRequestCallback = void(DOMHighResTimeStamp time, VideoFrameMetadata metadata);