Get rid of kPathSeparator on windows.

chrome/browser/browser_uitest.cc

 // Copyright (c) 2006-2008 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 "base/file_util.h"
 #include "base/string_util.h"
 #include "chrome/app/chrome_dll_resource.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/l10n_util.h"
 #include "chrome/common/pref_names.h"
@@ skipping 212 matching lines @@
   ASSERT_TRUE(window->ActivateTab(start_index));
   ASSERT_TRUE(
       javascript_tab->NavigateToURLAsync(GURL("javascript:alert('Alert!')")));
   ASSERT_TRUE(window->WaitForTabToBecomeActive(javascript_tab_index,
                                                kWaitForActionMaxMsec));
 }
 
 TEST_F(BrowserTest, DuplicateTab) {
   std::wstring path_prefix = test_data_directory_;
   file_util::AppendToPath(&path_prefix, L"session_history");
-  path_prefix += file_util::kPathSeparator;
+  path_prefix += FilePath::kSeparators[0];
   GURL url1 = net::FilePathToFileURL(path_prefix + L"bot1.html");
   GURL url2 = net::FilePathToFileURL(path_prefix + L"bot2.html");
   GURL url3 = GURL("about:blank");
 
   scoped_ptr<BrowserProxy> browser_proxy(automation()->GetBrowserWindow(0));
 
   // Navigate to the three urls, then go back.
   scoped_ptr<TabProxy> tab_proxy(browser_proxy->GetTab(0));
   tab_proxy->NavigateToURL(url1);
   tab_proxy->NavigateToURL(url2);
@@ skipping 131 matching lines @@
     if (title == L"PASSED") {
       // Success, bail out.
       break;
     }
   }
 
   if (i == 10)
     FAIL() << "failed to get error page title";
 }