Clean up old mojo types for VideoDecodeStatsRecorder from comments

This CL cleans up old mojo types for VideoDecodeStatsRecorder from
comments.

Bug: 955171
Change-Id: I3f7bc76f87872773fc7840a78a04d086687789ce
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1883154
Commit-Queue: Julie Kim <jkim@igalia.com>
Reviewed-by: Sam McNally <sammc@chromium.org>
Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Reviewed-by: Oksana Zhuravlova <oksamyt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710660}

media/blink/video_decode_stats_reporter.h

@@ -146,7 +146,7 @@ class MEDIA_BLINK_EXPORT VideoDecodeStatsReporter {
   const base::TimeDelta kRecordingInterval;
   const base::TimeDelta kTinyFpsWindowDuration;
 
-  // Pointer to the remote recorder. The recorder runs in the browser process
+  // mojo::Remote for the recorder. The recorder runs in the browser process
   // and finalizes the record in the event of fast render process tear down.
   mojo::Remote<mojom::VideoDecodeStatsRecorder> recorder_remote_;
 

media/blink/video_decode_stats_reporter_unittest.cc

@@ -171,7 +171,7 @@ class VideoDecodeStatsReporterTest : public ::testing::Test {
   mojo::PendingRemote<mojom::VideoDecodeStatsRecorder> SetupRecordInterceptor(
       RecordInterceptor** interceptor) {
     // Capture a the interceptor pointer for verifying recorder calls. Lifetime
-    // will be managed by the |recorder_ptr|.
+    // will be managed by the |recorder_remote|.
     *interceptor = new RecordInterceptor();
     mojo::PendingRemote<mojom::VideoDecodeStatsRecorder> recorder_remote;
     mojo::MakeSelfOwnedReceiver(
@@ -368,8 +368,8 @@ class VideoDecodeStatsReporterTest : public ::testing::Test {
   scoped_refptr<base::SingleThreadTaskRunner> original_task_runner_;
 
   // Points to the interceptor that acts as a VideoDecodeStatsRecorder. The
-  // object is owned by VideoDecodeStatsRecorderPtr, which is itself owned by
-  // |reporter_|.
+  // object is owned by mojo::Remote<VideoDecodeStatsRecorder>, which is itself
+  // owned by |reporter_|.
   RecordInterceptor* interceptor_ = nullptr;
 
   // The VideoDecodeStatsReporter being tested.