Add knowledge about blocking and passive event listeners.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 0f049dfe09dbda98adc7a60a15ff1e91b028c89a..c6dab29a0db2de1f278a09d4e50e45044c3b777d 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -767,6 +767,10 @@ static_assert(static_cast<cc::EventListenerProperties>(
                   blink::WebEventListenerProperties::Blocking) ==
                   cc::EventListenerProperties::kBlocking,
               "EventListener and WebEventListener enums must match");
+static_assert(static_cast<cc::EventListenerProperties>(
+                  blink::WebEventListenerProperties::BlockingAndPassive) ==
+                  cc::EventListenerProperties::kBlockingAndPassive,
+              "EventListener and WebEventListener enums must match");
 
 void RenderWidgetCompositor::setEventListenerProperties(
     blink::WebEventListenerClass eventClass,