Remove detach_ as publicly exposed method of Event

chrome/renderer/extensions/event_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/test/base/module_system_test.h"
 
 #include "extensions/common/extension_urls.h"
 #include "grit/renderer_resources.h"
 
 namespace extensions {
@@ skipping 186 matching lines @@
       "var Event = require('event_bindings').Event;"
       "var assert = requireNative('assert');"
       "var bindings = requireNative('event_natives');"
       "var eventOpts = {supportsListeners: true, supportsFilters: true};"
       "var e = new Event('myevent', undefined, eventOpts);"
       "var cb1 = function() {};"
       "var cb2 = function() {};"
       "var filters = {url: [{hostSuffix: 'google.com'}]};"
       "e.addListener(cb1, filters);"
       "e.addListener(cb2, filters);"
-      "e.detach_();"
+      "privates(e).impl.detach_();"
       "assert.AssertFalse(bindings.HasFilteredListener('myevent'));");
   module_system_->Require("test");
 }
 
 TEST_F(EventUnittest, AttachAndRemoveSameFilteredEventListener) {
   ModuleSystem::NativesEnabledScope natives_enabled_scope(module_system_.get());
   RegisterModule("test",
       "var Event = require('event_bindings').Event;"
       "var assert = requireNative('assert');"
       "var bindings = requireNative('event_natives');"
@@ skipping 49 matching lines @@
       "  e.addListener(cb);"
       "} catch (e) {"
       "  caught = true;"
       "}"
       "assert.AssertTrue(caught);");
   module_system_->Require("test");
 }
 
 }  // namespace
 }  // namespace extensions