EDK: Move mutex.*, cond_var.*, and thread_annotations.h to //mojo/edk/util.

mojo/edk/util/logging_internal.cc

+// 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 "mojo/edk/util/mutex.h"
+
+#if !defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+namespace mojo {
+namespace util {
+namespace internal {
+
+void DcheckHelper(const char* file, int line, const char* condition_string) {
+  fprintf(stderr, "%s:%d: Check failed: %s\n", file, line, condition_string);
+  abort();
+}
+
+void DcheckWithErrnoHelper(const char* file,
+                           int line,
+                           const char* fn,
+                           int error) {
+  fprintf(stderr, "%s:%d: %s: %s\n", file, line, fn, strerror(error));
+  abort();
+}
+
+}  // namespace internal
+}  // namespace util
+}  // namespace mojo
+
+#endif  // !defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)