[Extensions Bindings] Introduce a supportsLazyListeners property

chrome/renderer/resources/extensions/web_view/chrome_web_view.js

Index: chrome/renderer/resources/extensions/web_view/chrome_web_view.js
diff --git a/chrome/renderer/resources/extensions/web_view/chrome_web_view.js b/chrome/renderer/resources/extensions/web_view/chrome_web_view.js
index 506acffb2b1f4a43f985094c4d9345dc62f366e1..de416fa176861421f005193724a10e5f7c1522a8 100644
--- a/chrome/renderer/resources/extensions/web_view/chrome_web_view.js
+++ b/chrome/renderer/resources/extensions/web_view/chrome_web_view.js
@@ -32,7 +32,7 @@ var ContextMenusHandlerEvent =
 var jsEvent;
 function createCustomEvent(name, schema, options, webviewId) {
   if (bindingUtil)
-    return bindingUtil.createCustomEvent(name, undefined, false);
+    return bindingUtil.createCustomEvent(name, undefined, false, false);
   if (!jsEvent)
     jsEvent = require('event_bindings').Event;
   return new jsEvent(name, schema, options, webviewId);
@@ -146,7 +146,7 @@ WebViewImpl.prototype.maybeSetupContextMenus = function() {
     var eventName = 'chromeWebViewInternal.onContextMenuShow';
     var eventSchema =
         utils.lookup(ChromeWebViewSchema.events, 'name', 'onShow');
-    var eventOptions = {supportsListeners: true};
+    var eventOptions = {supportsListeners: true, supportsLazyListeners: false};
     this.contextMenusOnContextMenuEvent_ = createContextMenusOnContextMenuEvent(
         this.viewInstanceId, eventName, eventSchema, eventOptions);
   }
@@ -166,7 +166,8 @@ WebViewImpl.prototype.maybeSetupContextMenus = function() {
             var eventName = 'chromeWebViewInternal.onClicked';
             var eventSchema =
                 utils.lookup(ChromeWebViewSchema.events, 'name', 'onClicked');
-            var eventOptions = {supportsListeners: true};
+            var eventOptions =
+                {supportsListeners: true, supportsLazyListeners: false};
             var onClickedEvent = createContextMenusOnClickedEvent(
                 this.viewInstanceId, eventName, eventSchema, eventOptions);
             this.contextMenusOnClickedEvent_ = onClickedEvent;