Use UTF-8 rather than UNICODE for the OpenFile w/ character set test.

base/files/file_util_unittest.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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <fstream>
 #include <initializer_list>
@@ skipping 1726 matching lines @@
     ::_tputenv_s(kTmpKey, _T(""));
   }
 }
 #endif  // OS_WIN
 
 // Test that files opened by OpenFile are not set up for inheritance into child
 // procs.
 TEST_F(FileUtilTest, OpenFileNoInheritance) {
   FilePath file_path(temp_dir_.GetPath().Append(FPL("a_file")));
 
-  for (const char* mode : {"wb", "r,ccs=UNICODE"}) {
+  for (const char* mode : {"wb", "r,ccs=UTF-8"}) {
     SCOPED_TRACE(mode);
     ASSERT_NO_FATAL_FAILURE(CreateTextFile(file_path, L"Geepers"));
     FILE* file = OpenFile(file_path, mode);
     ASSERT_NE(nullptr, file);
     {
       ScopedClosureRunner file_closer(Bind(IgnoreResult(&CloseFile), file));
       bool is_inheritable = true;
       ASSERT_NO_FATAL_FAILURE(GetIsInheritable(file, &is_inheritable));
       EXPECT_FALSE(is_inheritable);
     }
@@ skipping 858 matching lines @@
   // Trying to close it should crash. This is important for security.
   EXPECT_DEATH(CloseWithScopedFD(fds[1]), "");
 #endif
 }
 
 #endif  // defined(OS_POSIX)
 
 }  // namespace
 
 }  // namespace base