Implement DISALLOW_COPY_AND_ASSIGN using = delete.

chrome/browser/extensions/api/autofill_private/autofill_private_event_router.cc

 // Copyright 2015 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/browser/extensions/api/autofill_private/autofill_private_event_router.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/autofill/personal_data_manager_factory.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/api/autofill_private/autofill_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/common/extensions/api/autofill_private.h"
 #include "components/autofill/core/browser/personal_data_manager.h"
 #include "content/public/browser/browser_context.h"
 
 namespace extensions {
 
 AutofillPrivateEventRouter::AutofillPrivateEventRouter(
     content::BrowserContext* context)
     : context_(context),
       event_router_(nullptr),
-      personal_data_(nullptr),
-      listening_(false) {
+      personal_data_(nullptr) {
   // Register with the event router so we know when renderers are listening to
   // our events. We first check and see if there *is* an event router, because
   // some unit tests try to create all context services, but don't initialize
   // the event router first.
   event_router_ = EventRouter::Get(context_);
   if (!event_router_)
     return;
 
   personal_data_ = autofill::PersonalDataManagerFactory::GetForProfile(
       Profile::FromBrowserContext(context_));
@@ skipping 36 matching lines @@
                 std::move(args)));
   event_router_->BroadcastEvent(std::move(extension_event));
 }
 
 AutofillPrivateEventRouter* AutofillPrivateEventRouter::Create(
     content::BrowserContext* context) {
   return new AutofillPrivateEventRouter(context);
 }
 
 }  // namespace extensions