Revert 222090 "<webview>: Cleanup WebRequest event listeners whe..."

trunk/src/chrome/renderer/resources/extensions/web_view.js

Index: trunk/src/chrome/renderer/resources/extensions/web_view.js
===================================================================
--- trunk/src/chrome/renderer/resources/extensions/web_view.js	(revision 222122)
+++ trunk/src/chrome/renderer/resources/extensions/web_view.js	(working copy)
@@ -16,7 +16,6 @@
 var WebRequestSchema =
     requireNative('schema_registry').GetSchema('webRequest');
 var WebView = require('binding').Binding.create('webview').generate();
-var WebViewNatives = requireNative('webview_natives');
 
 // This secret enables hiding <webview> private members from the outside scope.
 // Outside of this file, |secret| is inaccessible. The only way to access the
@@ -41,6 +40,8 @@
     WEB_VIEW_ATTRIBUTE_MAXWIDTH
 ];
 
+var webViewInstanceIdCounter = 0;
+
 var CreateEvent = function(name) {
   var eventOpts = {supportsListeners: true, supportsFilters: true};
   return new EventBindings.Event(name, undefined, eventOpts);
@@ -550,7 +551,7 @@
  */
 WebViewInternal.prototype.setupWebviewNodeEvents_ = function() {
   var self = this;
-  this.viewInstanceId_ = WebViewNatives.GetNextInstanceID();
+  this.viewInstanceId_ = ++webViewInstanceIdCounter;
   var onInstanceIdAllocated = function(e) {
     var detail = e.detail ? JSON.parse(e.detail) : {};
     self.instanceId_ = detail.windowId;