Fix to use FilePath version of PathService::Get.

chrome/test/ui/omnibox_uitest.cc

Index: chrome/test/ui/omnibox_uitest.cc
===================================================================
--- chrome/test/ui/omnibox_uitest.cc	(revision 25594)
+++ chrome/test/ui/omnibox_uitest.cc	(working copy)
@@ -136,12 +136,12 @@
   if (!CommandLine::ForCurrentProcess()->HasSwitch(kRunOmniboxTest))
     return;
 
-  std::wstring omnibox_tests_path;
+  FilePath omnibox_tests_path;
   PathService::Get(chrome::DIR_TEST_DATA, &omnibox_tests_path);
-  file_util::AppendToPath(&omnibox_tests_path, L"omnibox_tests.xml");
+  omnibox_tests_path = omnibox_tests_path.AppendASCII("omnibox_tests.xml");
 
   XmlReader reader;
-  ASSERT_TRUE(reader.LoadFile(WideToASCII(omnibox_tests_path)));
+  ASSERT_TRUE(reader.LoadFile(WideToASCII(omnibox_tests_path.ToWStringHack())));
   while (reader.SkipToElement()) {
     ASSERT_EQ("omnibox_tests", reader.NodeName());
     reader.Read();