Autoplay time metric

third_party/WebKit/Source/core/html/media/AutoplayPolicy.cpp

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/html/media/AutoplayPolicy.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ElementVisibilityObserver.h"
 #include "core/frame/ContentSettingsClient.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 283 matching lines @@
     return false;
   return frame->GetContentSettingsClient()->AllowAutoplay(true);
 }
 
 bool AutoplayPolicy::ShouldAutoplay() {
   if (element_->GetDocument().IsSandboxed(kSandboxAutomaticFeatures))
     return false;
   return element_->can_autoplay_ && element_->paused_ && element_->Autoplay();
 }
 
+void AutoplayPolicy::OnLoadStarted(WebMediaPlayer::LoadType load_type) {
+  autoplay_uma_helper_->OnLoadStarted(load_type);
+}
+
 DEFINE_TRACE(AutoplayPolicy) {
   visitor->Trace(element_);
   visitor->Trace(autoplay_visibility_observer_);
   visitor->Trace(autoplay_uma_helper_);
 }
 
 }  // namespace blink