Support registering and dispatching passive event listeners.

third_party/WebKit/LayoutTests/fast/events/eventlisteneroptions/passive_query.html

Index: third_party/WebKit/LayoutTests/fast/events/eventlisteneroptions/passive_query.html
diff --git a/third_party/WebKit/LayoutTests/fast/events/eventlisteneroptions/capture_query.html b/third_party/WebKit/LayoutTests/fast/events/eventlisteneroptions/passive_query.html
similarity index 55%
copy from third_party/WebKit/LayoutTests/fast/events/eventlisteneroptions/capture_query.html
copy to third_party/WebKit/LayoutTests/fast/events/eventlisteneroptions/passive_query.html
index e7c9e5ef2e7000be130b447adbd2b373a136bef6..95d8209efe4d842a851bd98c146d1813033203fe 100644
--- a/third_party/WebKit/LayoutTests/fast/events/eventlisteneroptions/capture_query.html
+++ b/third_party/WebKit/LayoutTests/fast/events/eventlisteneroptions/passive_query.html
@@ -3,13 +3,15 @@
 <script src="../../../resources/testharness.js"></script>
 <script src="../../../resources/testharnessreport.js"></script>
 
+<!-- This test is run with normal layout tests with passiveEventListeners
+     enabled and in virtual/stable with passiveEventListeners disabled -->
 <script>
 test(function(t) {
-    var supportsCapture = false;
+    var supportsPassive = false;
     var query_function = function(e) {};
     var query_options = {
-        get capture() {
-            supportsCapture = true;
+        get passive() {
+            supportsPassive = true;
             return false;
         },
         get dummy() {
@@ -19,10 +21,10 @@ test(function(t) {
     };
 
     document.addEventListener('test_event', query_function, query_options);
-    assert_equals(supportsCapture, internals.runtimeFlags.eventListenerOptionsEnabled);
-    supportsCapture = false;
+    assert_equals(supportsPassive, internals.runtimeFlags.passiveEventListenersEnabled);
+    supportsPassive = false;
     document.removeEventListener('test_event', query_function, query_options);
-    assert_equals(supportsCapture, internals.runtimeFlags.eventListenerOptionsEnabled);
+    assert_equals(supportsPassive, internals.runtimeFlags.passiveEventListenersEnabled);
     t.done();
-}, "Supports Capture");
+}, "Supports Passive");
 </script>