[Blink>Media] Moving autoplay logic to AutoplayPolicy

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

 // Copyright 2016 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/AutoplayUmaHelper.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ElementVisibilityObserver.h"
 #include "core/events/Event.h"
 #include "core/frame/Settings.h"
+#include "core/frame/UseCounter.h"
 #include "core/html/HTMLMediaElement.h"
+#include "core/html/media/AutoplayPolicy.h"
 #include "platform/Histogram.h"
 #include "platform/wtf/CurrentTime.h"
 #include "public/platform/Platform.h"
 
 namespace blink {
 
 namespace {
 
 const int32_t kMaxOffscreenDurationUmaMS = 60 * 60 * 1000;
 const int32_t kOffscreenDurationUmaBucketCount = 50;
@@ skipping 81 matching lines @@
           element_->GetDocument().Url());
     }
   }
 
   // Record if it will be blocked by Data Saver or Autoplay setting.
   if (element_->IsHTMLVideoElement() && element_->muted() &&
       RuntimeEnabledFeatures::autoplayMutedVideosEnabled()) {
     bool data_saver_enabled =
         element_->GetDocument().GetSettings() &&
         element_->GetDocument().GetSettings()->GetDataSaverEnabled();
-    bool blocked_by_setting = !element_->IsAutoplayAllowedPerSettings();
+    bool blocked_by_setting =
+        !element_->GetAutoplayPolicy().IsAutoplayAllowedPerSettings();
 
     if (data_saver_enabled && blocked_by_setting) {
       blocked_muted_video_histogram.Count(
           kAutoplayBlockedReasonDataSaverAndSetting);
     } else if (data_saver_enabled) {
       blocked_muted_video_histogram.Count(kAutoplayBlockedReasonDataSaver);
     } else if (blocked_by_setting) {
       blocked_muted_video_histogram.Count(kAutoplayBlockedReasonSetting);
     }
   }
@@ skipping 82 matching lines @@
 void AutoplayUmaHelper::RecordAutoplayUnmuteStatus(
     AutoplayUnmuteActionStatus status) {
   DEFINE_STATIC_LOCAL(
       EnumerationHistogram, autoplay_unmute_histogram,
       ("Media.Video.Autoplay.Muted.UnmuteAction",
        static_cast<int>(AutoplayUnmuteActionStatus::kNumberOfStatus)));
 
   autoplay_unmute_histogram.Count(static_cast<int>(status));
 }
 
+void AutoplayUmaHelper::VideoWillBeDrawnToCanvas() {
+  if (HasSource() && !IsVisible()) {
+    UseCounter::Count(element_->GetDocument(),
+                      UseCounter::kHiddenAutoplayedVideoInCanvas);
+  }
+}
+
 void AutoplayUmaHelper::DidMoveToNewDocument(Document& old_document) {
   if (!ShouldListenToContextDestroyed())
     return;
 
   SetContext(&element_->GetDocument());
 }
 
 void AutoplayUmaHelper::OnVisibilityChangedForMutedVideoPlayMethodBecomeVisible(
     bool is_visible) {
   if (!is_visible || !muted_video_play_method_visibility_observer_)
@@ skipping 163 matching lines @@
 
 DEFINE_TRACE(AutoplayUmaHelper) {
   EventListener::Trace(visitor);
   ContextLifecycleObserver::Trace(visitor);
   visitor->Trace(element_);
   visitor->Trace(muted_video_play_method_visibility_observer_);
   visitor->Trace(muted_video_offscreen_duration_visibility_observer_);
 }
 
 }  // namespace blink