Remove HttpServerProperies::GetWeakPtr().

ios/chrome/browser/browser_state/chrome_browser_state_io_data.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 "ios/chrome/browser/browser_state/chrome_browser_state_io_data.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 300 matching lines @@
                        GetApplicationContext()->GetLocalState());
   enable_metrics_.MoveToThread(
       web::WebThread::GetTaskRunnerForThread(web::WebThread::IO));
 }
 
 bool ChromeBrowserStateIOData::GetMetricsEnabledStateOnIOThread() const {
   DCHECK_CURRENTLY_ON(web::WebThread::IO);
   return enable_metrics_.GetValue();
 }
 
-base::WeakPtr<net::HttpServerProperties>
-ChromeBrowserStateIOData::http_server_properties() const {
-  return http_server_properties_->GetWeakPtr();
+net::HttpServerProperties* ChromeBrowserStateIOData::http_server_properties()
+    const {
+  return http_server_properties_.get();
 }
 
 void ChromeBrowserStateIOData::set_http_server_properties(
     std::unique_ptr<net::HttpServerProperties> http_server_properties) const {
   http_server_properties_ = std::move(http_server_properties);
 }
 
 void ChromeBrowserStateIOData::Init(
     ProtocolHandlerMap* protocol_handlers) const {
   // The basic logic is implemented here. The specific initialization
@@ skipping 146 matching lines @@
   return std::unique_ptr<net::HttpCache>(
       new net::HttpCache(session, std::move(main_backend), true));
 }
 
 std::unique_ptr<net::HttpCache> ChromeBrowserStateIOData::CreateHttpFactory(
     net::HttpNetworkSession* shared_session,
     std::unique_ptr<net::HttpCache::BackendFactory> backend) const {
   return std::unique_ptr<net::HttpCache>(
       new net::HttpCache(shared_session, std::move(backend), true));
 }