Add ProxyResolverFactoryV8Tracing.

net/proxy/proxy_service_v8.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 "net/proxy/proxy_service_v8.h"
 
 #include "base/logging.h"
 #include "base/threading/thread_checker.h"
 #include "net/proxy/network_delegate_error_observer.h"
 #include "net/proxy/proxy_resolver.h"
 #include "net/proxy/proxy_resolver_factory.h"
 #include "net/proxy/proxy_resolver_v8_tracing.h"
 #include "net/proxy/proxy_service.h"
 
 namespace net {
 namespace {
 
-class ProxyResolverFactoryForV8Resolver : public LegacyProxyResolverFactory {
+class ProxyResolverFactoryForV8Resolver : public ProxyResolverFactoryV8Tracing {
  public:
   explicit ProxyResolverFactoryForV8Resolver(HostResolver* host_resolver,
                                              NetLog* net_log,
                                              NetworkDelegate* network_delegate)
-      : LegacyProxyResolverFactory(true),
-        host_resolver_(host_resolver),
-        net_log_(net_log),
+      : ProxyResolverFactoryV8Tracing(
+            host_resolver,
+            net_log,
+            ProxyResolver::LoadStateChangedCallback()),
         network_delegate_(network_delegate) {}
 
-  // LegacyProxyResolverFactory override.
-  scoped_ptr<ProxyResolver> CreateProxyResolver() override {
+  // ProxyResolverFactory override.
+  scoped_ptr<ProxyResolverErrorObserver> CreateErrorObserver() override {
     DCHECK(thread_checker_.CalledOnValidThread());
-    ProxyResolverErrorObserver* error_observer =
-        new NetworkDelegateErrorObserver(
-            network_delegate_, base::MessageLoopProxy::current().get());
-    return make_scoped_ptr(
-        new ProxyResolverV8Tracing(host_resolver_, error_observer, net_log_));
+    return make_scoped_ptr(new NetworkDelegateErrorObserver(
+        network_delegate_, base::MessageLoopProxy::current().get()));
   }
 
  private:
-  HostResolver* const host_resolver_;
-  NetLog* const net_log_;
   NetworkDelegate* const network_delegate_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxyResolverFactoryForV8Resolver);
 };
 }  // namespace
 
 // static
 ProxyService* CreateProxyServiceUsingV8ProxyResolver(
@@ skipping 15 matching lines @@
                        net_log);
 
   // Configure fetchers to use for PAC script downloads and auto-detect.
   proxy_service->SetProxyScriptFetchers(proxy_script_fetcher,
                                         dhcp_proxy_script_fetcher);
 
   return proxy_service;
 }
 
 }  // namespace net