--- a/dom/html/HTMLMediaElement.cpp
+++ b/dom/html/HTMLMediaElement.cpp
@@ -2831,32 +2831,32 @@ HTMLMediaElement::ReportMSETelemetry()
               (ranges->End(index, ignore) - t) < errorMargin;
     stalled |= mDecoder && NextFrameStatus() == MediaDecoderOwner::NEXT_FRAME_UNAVAILABLE_BUFFERING &&
                mReadyState == HTMLMediaElement::HAVE_CURRENT_DATA;
     if (stalled) {
       state = STALLED;
     }
   }
 
+  Telemetry::Accumulate(Telemetry::VIDEO_UNLOAD_STATE, state);
+  LOG(LogLevel::Debug, ("%p VIDEO_UNLOAD_STATE = %d", this, state));
+
   if (HTMLVideoElement* vid = HTMLVideoElement::FromContentOrNull(this)) {
     RefPtr<VideoPlaybackQuality> quality = vid->GetVideoPlaybackQuality();
     uint64_t totalFrames = quality->TotalVideoFrames();
     uint64_t droppedFrames = quality->DroppedVideoFrames();
     if (totalFrames) {
       uint32_t percentage = 100 * droppedFrames / totalFrames;
       LOG(LogLevel::Debug,
           ("Reporting telemetry DROPPED_FRAMES_IN_VIDEO_PLAYBACK"));
       Telemetry::Accumulate(Telemetry::VIDEO_DROPPED_FRAMES_PROPORTION,
                             percentage);
     }
   }
 
-  Telemetry::Accumulate(Telemetry::VIDEO_MSE_UNLOAD_STATE, state);
-  LOG(LogLevel::Debug, ("%p VIDEO_MSE_UNLOAD_STATE = %d", this, state));
-
   Telemetry::Accumulate(Telemetry::VIDEO_PLAY_TIME_MS, SECONDS_TO_MS(mPlayTime.Total()));
   LOG(LogLevel::Debug, ("%p VIDEO_PLAY_TIME_MS = %f", this, mPlayTime.Total()));
 }
 
 void HTMLMediaElement::UnbindFromTree(bool aDeep,
                                       bool aNullParent)
 {
   if (!mPaused && mNetworkState != nsIDOMHTMLMediaElement::NETWORK_EMPTY) {

--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -8952,21 +8952,23 @@
     "alert_emails": ["ajones@mozilla.com"],
     "expires_in_version": "55",
     "description": "Total time spent playing video in milliseconds. This reports the total play time for an HTML Media Element whenever it is suspended or resumed, such as when the page is unloaded, or when the mute status changes when the AudioChannelAPI pref is set.",
     "kind": "exponential",
     "high": 7200000,
     "n_buckets": 100,
     "bug_numbers": [1261955, 1127646]
   },
-  "VIDEO_MSE_UNLOAD_STATE": {
-    "expires_in_version": "45",
+  "VIDEO_UNLOAD_STATE": {
+    "alert_emails": ["ajones@mozilla.com"],
+    "expires_in_version": "55",
     "kind": "enumerated",
     "n_values": 5,
-    "description": "MSE video state when unloading. ended = 0, paused = 1, stalled = 2, seeking = 3, other = 4"
+    "description": "HTML Media Element state when unloading. ended = 0, paused = 1, stalled = 2, seeking = 3, other = 4",
+    "bug_numbers": [1261955, 1261955]
   },
   "VIDEO_ADOBE_GMP_DISAPPEARED": {
     "alert_emails": ["cpearce@mozilla.com"],
     "expires_in_version": "50",
     "kind": "flag",
     "description": "Whether or not the Adobe EME GMP was expected to be resident on disk but mysteriously isn't.",
     "releaseChannelCollection": "opt-out"
   },

--- a/toolkit/components/telemetry/histogram-whitelists.json
+++ b/toolkit/components/telemetry/histogram-whitelists.json
@@ -1013,17 +1013,16 @@
     "VIDEO_CANPLAYTYPE_H264_CONSTRAINT_SET_FLAG",
     "VIDEO_CANPLAYTYPE_H264_LEVEL",
     "VIDEO_CANPLAYTYPE_H264_PROFILE",
     "VIDEO_DECODED_H264_SPS_CONSTRAINT_SET_FLAG",
     "VIDEO_DECODED_H264_SPS_LEVEL",
     "VIDEO_DECODED_H264_SPS_PROFILE",
     "VIDEO_EME_PLAY_SUCCESS",
     "VIDEO_H264_SPS_MAX_NUM_REF_FRAMES",
-    "VIDEO_MSE_UNLOAD_STATE",
     "WEAVE_COMPLETE_SUCCESS_COUNT",
     "WEAVE_CONFIGURED",
     "WEAVE_CONFIGURED_MASTER_PASSWORD",
     "WEAVE_START_COUNT",
     "WEBCRYPTO_ALG",
     "WEBCRYPTO_EXTRACTABLE_ENC",
     "WEBCRYPTO_EXTRACTABLE_GENERATE",
     "WEBCRYPTO_EXTRACTABLE_IMPORT",
@@ -2378,17 +2377,16 @@
     "VIDEO_DECODED_H264_SPS_PROFILE",
     "VIDEO_EME_ADOBE_HIDDEN_REASON",
     "VIDEO_EME_ADOBE_INSTALL_FAILED_REASON",
     "VIDEO_EME_ADOBE_UNSUPPORTED_REASON",
     "VIDEO_EME_PLAY_SUCCESS",
     "VIDEO_EME_REQUEST_FAILURE_LATENCY_MS",
     "VIDEO_EME_REQUEST_SUCCESS_LATENCY_MS",
     "VIDEO_H264_SPS_MAX_NUM_REF_FRAMES",
-    "VIDEO_MSE_UNLOAD_STATE",
     "VIDEO_OPENH264_GMP_DISAPPEARED",
     "VIDEO_OPENH264_GMP_MISSING_FILES",
     "VIEW_SOURCE_EXTERNAL_RESULT_BOOLEAN",
     "VIEW_SOURCE_IN_BROWSER_OPENED_BOOLEAN",
     "VIEW_SOURCE_IN_WINDOW_OPENED_BOOLEAN",
     "WEAVE_COMPLETE_SUCCESS_COUNT",
     "WEAVE_CONFIGURED",
     "WEAVE_CONFIGURED_MASTER_PASSWORD",