[Autoplay] Add more rappor metrics for autoplay in cross-origin iframes

third_party/WebKit/Source/core/html/AutoplayUmaHelper.cpp

Index: third_party/WebKit/Source/core/html/AutoplayUmaHelper.cpp
diff --git a/third_party/WebKit/Source/core/html/AutoplayUmaHelper.cpp b/third_party/WebKit/Source/core/html/AutoplayUmaHelper.cpp
index 0ab3aadbe30e92733cd7a183eb79e150895bf38b..bf2d6ffbe9d9b3952a08e4ee184f77283cc4e642 100644
--- a/third_party/WebKit/Source/core/html/AutoplayUmaHelper.cpp
+++ b/third_party/WebKit/Source/core/html/AutoplayUmaHelper.cpp
@@ -210,6 +210,7 @@ void AutoplayUmaHelper::handlePlayingEvent() {
 
 void AutoplayUmaHelper::handlePauseEvent() {
   maybeStopRecordingMutedVideoOffscreenDuration();
+  maybeRecordUserPausedAutoplayingCrossOriginVideo();
 }
 
 void AutoplayUmaHelper::contextDestroyed() {
@@ -299,21 +300,55 @@ void AutoplayUmaHelper::maybeStopRecordingMutedVideoOffscreenDuration() {
   m_mutedVideoOffscreenDurationVisibilityObserver->stop();
   m_mutedVideoOffscreenDurationVisibilityObserver = nullptr;
   m_mutedVideoAutoplayOffscreenDurationMS = 0;
-  m_element->removeEventListener(EventTypeNames::pause, this, false);
+  maybeUnregisterMediaElementPauseListener();
   maybeUnregisterContextDestroyedObserver();
 }
 
+void AutoplayUmaHelper::maybeRecordUserPausedAutoplayingCrossOriginVideo() {
+  if (!shouldRecordUserPausedAutoplayingCrossOriginVideo())
+    return;
+
+  if (m_element->ended() || m_element->seeking())
+    return;
+
+  Platform::current()->recordRapporURL(
+      "Media.Autoplay.CrossOrigin.UserPausedAutoplayingVideo.ChildFrame",
+      m_element->document().url());
+  Platform::current()->recordRapporURL(
+      "Media.Autoplay.CrossOrigin.UserPausedAutoplayingVideo."
+      "TopLevelFrame",
+      m_element->document().topDocument().url());
+
+  m_hasRecordedUserPausedAutoplayingCrossOriginVideo = true;
+  maybeUnregisterMediaElementPauseListener();
+}
+
 void AutoplayUmaHelper::maybeUnregisterContextDestroyedObserver() {
   if (!shouldListenToContextDestroyed()) {
     setContext(nullptr);
   }
 }
 
+void AutoplayUmaHelper::maybeUnregisterMediaElementPauseListener() {
+  if (m_mutedVideoOffscreenDurationVisibilityObserver)
+    return;
+  if (shouldRecordUserPausedAutoplayingCrossOriginVideo())
+    return;
+  m_element->removeEventListener(EventTypeNames::pause, this, false);
+}
+
 bool AutoplayUmaHelper::shouldListenToContextDestroyed() const {
   return m_mutedVideoPlayMethodVisibilityObserver ||
          m_mutedVideoOffscreenDurationVisibilityObserver;
 }
 
+bool AutoplayUmaHelper::shouldRecordUserPausedAutoplayingCrossOriginVideo()
+    const {
+  return m_element->isInCrossOriginFrame() && m_element->isHTMLVideoElement() &&
+         m_source != AutoplaySource::NumberOfSources &&
+         !m_hasRecordedUserPausedAutoplayingCrossOriginVideo;
+}
+
 DEFINE_TRACE(AutoplayUmaHelper) {
   EventListener::trace(visitor);
   ContextLifecycleObserver::trace(visitor);