Implement the activation behavior of media elements (click to play/pause)

Source/core/html/shadow/MediaControlElements.cpp

Index: Source/core/html/shadow/MediaControlElements.cpp
diff --git a/Source/core/html/shadow/MediaControlElements.cpp b/Source/core/html/shadow/MediaControlElements.cpp
index e07cb3fc306fa7b98465236a05aa0fbe33b4f7de..80337bca6c90573670c4b7f91d4d5934fb3f285c 100644
--- a/Source/core/html/shadow/MediaControlElements.cpp
+++ b/Source/core/html/shadow/MediaControlElements.cpp
@@ -77,6 +77,17 @@ const AtomicString& MediaControlPanelElement::shadowPseudoId() const
     return id;
 }
 
+void MediaControlPanelElement::defaultEventHandler(Event* event)
+{
+    // Suppress the media element activation behavior (toggle play/pause) when
+    // any part of the control panel is clicked.
+    if (event->type() == EventTypeNames::click) {
+        event->setDefaultHandled();
+        return;
+    }
+    HTMLDivElement::defaultEventHandler(event);
+}
+
 void MediaControlPanelElement::startTimer()
 {
     stopTimer();