Index: third_party/WebKit/Source/core/html/HTMLMediaElement.cpp |
diff --git a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp |
index 3983e1b82f1f7f8ba5754617a52b40633a1c087c..5a63b92a411057bd6934052df59836e6eadb1078 100644 |
--- a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp |
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp |
@@ -1634,8 +1634,13 @@ void HTMLMediaElement::setReadyState(ReadyState state) |
if (!isGestureNeededForPlayback()) { |
if (isHTMLVideoElement() && muted() && RuntimeEnabledFeatures::autoplayMutedVideosEnabled()) { |
- m_autoplayVisibilityObserver = new ElementVisibilityObserver(this, WTF::bind(&HTMLMediaElement::onVisibilityChangedForAutoplay, wrapPersistent(this))); |
- m_autoplayVisibilityObserver->start(); |
+ // We might end up in a situation where the previous |
+ // observer didn't had time to fire yet. We can avoid |
+ // creating a new one in this case. |
+ if (!m_autoplayVisibilityObserver) { |
+ m_autoplayVisibilityObserver = new ElementVisibilityObserver(this, WTF::bind(&HTMLMediaElement::onVisibilityChangedForAutoplay, wrapPersistent(this))); |
+ m_autoplayVisibilityObserver->start(); |
+ } |
} else { |
m_paused = false; |
invalidateCachedTime(); |