Update clang, re-enable checker, fix issues it flags

services/files/c/lib/real_errno_impl.cc

Index: services/files/c/lib/real_errno_impl.cc
diff --git a/services/files/c/lib/real_errno_impl.cc b/services/files/c/lib/real_errno_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..133f985dd6d6cd7eb55cdda4038b82a460d37725
--- /dev/null
+++ b/services/files/c/lib/real_errno_impl.cc
@@ -0,0 +1,15 @@
+// Copyright 2015 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 "services/files/c/lib/real_errno_impl.h"
+
+namespace mojio {
+
+int RealErrnoImpl::Get() const {
+  return errno;
+}
+void RealErrnoImpl::Set(int error) {

[viettrungluu, 2015/04/03 19:45:31]

nit: blank line above

+  errno = error;
+}
+}

[viettrungluu, 2015/04/03 19:45:31]

nits: blank line above and "  // namespace mojio"