Add new "resize" event to HTMLMediaElement.

Source/core/html/HTMLMediaElement.cpp

Index: Source/core/html/HTMLMediaElement.cpp
diff --git a/Source/core/html/HTMLMediaElement.cpp b/Source/core/html/HTMLMediaElement.cpp
index aab7c2419df3a36e02e7dc16a12b18132a388b01..6e8f754504acfb6918f7aaad2510e2c2d770e8f9 100644
--- a/Source/core/html/HTMLMediaElement.cpp
+++ b/Source/core/html/HTMLMediaElement.cpp
@@ -3145,6 +3145,9 @@ void HTMLMediaElement::mediaPlayerSizeChanged()
 {
     WTF_LOG(Media, "HTMLMediaElement::mediaPlayerSizeChanged");
 
+    if (m_readyState > HAVE_NOTHING)
+        scheduleEvent(EventTypeNames::resize);
+
     if (renderer())
         renderer()->updateFromElement();
 }