Media Controls: do not handle any event if no controls should be visible.

third_party/WebKit/Source/core/html/shadow/MediaControls.cpp

Index: third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
diff --git a/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp b/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
index c3c805ef5069513969b4fb89f76fa9a40cd2f99c..89f8b67ed7531bd47f8619d88d91b4e59aeef7df 100644
--- a/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
+++ b/third_party/WebKit/Source/core/html/shadow/MediaControls.cpp
@@ -570,6 +570,11 @@ void MediaControls::stoppedCasting() {
 void MediaControls::defaultEventHandler(Event* event) {
   HTMLDivElement::defaultEventHandler(event);
 
+  // Do not handle events to not interfere with the rest of the page if no
+  // controls should be visible.
+  if (!mediaElement().shouldShowControls())
+    return;
+
   // Add IgnoreControlsHover to m_hideTimerBehaviorFlags when we see a touch
   // event, to allow the hide-timer to do the right thing when it fires.
   // FIXME: Preferably we would only do this when we're actually handling the