Remove deprecated things from net test suite:

chrome/test/interactive_ui/infobars_uitest.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/test/automation/browser_proxy.h"
 #include "chrome/test/automation/extension_proxy.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/ui/ui_test.h"
 #include "net/url_request/url_request_unittest.h"
 
 class InfoBarsUITest : public UITest {
  public:
   InfoBarsUITest() {
     show_window_ = true;
   }
 };
 
 TEST_F(InfoBarsUITest, TestInfoBarsCloseOnNewTheme) {
   const wchar_t kDocRoot[] = L"chrome/test/data";
   scoped_refptr<HTTPTestServer> server =
       HTTPTestServer::CreateServer(kDocRoot, NULL);
   ASSERT_TRUE(server.get() != NULL);
   scoped_refptr<BrowserProxy> browser(automation()->GetBrowserWindow(0));
   ASSERT_TRUE(browser.get());
 
   scoped_refptr<TabProxy> tab_1(browser->GetActiveTab());
   ASSERT_TRUE(tab_1.get());
   EXPECT_TRUE(tab_1->NavigateToURL(
-      server->TestServerPageW(L"files/simple.html")));
+      server->TestServerPage("files/simple.html")));
   scoped_refptr<ExtensionProxy> theme = automation()->InstallExtension(
       test_data_directory_.AppendASCII("extensions").AppendASCII("theme.crx"),
       true);
   ASSERT_TRUE(theme != NULL);
   EXPECT_TRUE(tab_1->WaitForInfoBarCount(1, action_max_timeout_ms()));
 
   EXPECT_TRUE(browser->AppendTab(
-      server->TestServerPageW(L"files/simple.html")));
+      server->TestServerPage("files/simple.html")));
   WaitUntilTabCount(2);
   scoped_refptr<TabProxy> tab_2(browser->GetActiveTab());
   ASSERT_TRUE(tab_2.get());
   theme = automation()->InstallExtension(
       test_data_directory_.AppendASCII("extensions").AppendASCII("theme2.crx"),
       true);
   ASSERT_TRUE(theme != NULL);
   EXPECT_TRUE(tab_2->WaitForInfoBarCount(1, action_max_timeout_ms()));
   EXPECT_TRUE(tab_1->WaitForInfoBarCount(0, action_max_timeout_ms()));
 
   EXPECT_TRUE(automation()->ResetToDefaultTheme());
   EXPECT_TRUE(tab_2->WaitForInfoBarCount(0, action_max_timeout_ms()));
 }