Introduce incognito preference settings.

chrome/browser/net/pref_proxy_config_service_unittest.cc

 // Copyright (c) 2010 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/net/pref_proxy_config_service.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "chrome/browser/net/chrome_url_request_context.h"
 #include "chrome/browser/prefs/pref_service_mock_builder.h"
@@ skipping 80 matching lines @@
  private:
   scoped_refptr<PrefProxyConfigTracker> proxy_config_tracker_;
   BrowserThread ui_thread_;
   BrowserThread io_thread_;
 };
 
 class PrefProxyConfigServiceTest
     : public PrefProxyConfigServiceTestBase<testing::Test> {
  protected:
   virtual void SetUp() {
-    pref_service_.reset(new TestingPrefService());
+    pref_service_.reset(TestingPrefService::CreateTestingPrefService());
     Init(pref_service_.get());
   }
 
   scoped_ptr<TestingPrefService> pref_service_;
 };
 
 TEST_F(PrefProxyConfigServiceTest, BaseConfiguration) {
   net::ProxyConfig actual_config;
   proxy_config_service_->GetLatestProxyConfig(&actual_config);
   EXPECT_EQ(GURL(kFixedPacUrl), actual_config.pac_url());
@@ skipping 265 matching lines @@
     net::ProxyRulesExpectation::Empty(),
   },
 };
 
 INSTANTIATE_TEST_CASE_P(
     PrefProxyConfigServiceCommandLineTestInstance,
     PrefProxyConfigServiceCommandLineTest,
     testing::ValuesIn(kCommandLineTestParams));
 
 }  // namespace