Cleanup the UseSharedProxies preference.

chrome/test/base/testing_profile.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/testing_profile.h"
 
 #include "build/build_config.h"
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
@@ skipping 703 matching lines @@
   return last_selected_directory_;
 }
 
 void TestingProfile::set_last_selected_directory(const base::FilePath& path) {
   last_selected_directory_ = path;
 }
 
 PrefProxyConfigTracker* TestingProfile::GetProxyConfigTracker() {
   if (!pref_proxy_config_tracker_.get()) {
     pref_proxy_config_tracker_.reset(
-        ProxyServiceFactory::CreatePrefProxyConfigTracker(GetPrefs()));
+        ProxyServiceFactory::CreatePrefProxyConfigTracker(this));
   }
   return pref_proxy_config_tracker_.get();
 }
 
 void TestingProfile::BlockUntilHistoryProcessesPendingRequests() {
   HistoryService* history_service =
       HistoryServiceFactory::GetForProfile(this, Profile::EXPLICIT_ACCESS);
   DCHECK(history_service);
   DCHECK(base::MessageLoop::current());
 
@@ skipping 62 matching lines @@
 
 scoped_ptr<TestingProfile> TestingProfile::Builder::Build() {
   DCHECK(!build_called_);
   build_called_ = true;
   return scoped_ptr<TestingProfile>(new TestingProfile(
       path_,
       delegate_,
       extension_policy_,
       pref_service_.Pass()));
 }