Move chromeos symbols into brillo namespace

And move the include files into "brillo" directory instead of "chromeos"

BUG: 24872993
TEST=built aosp and brillo and unit tests pass on dragonoboard

Change-Id: Ieb979d1ebd3152921d36cd15acbd6247f02aae69
diff --git a/brillo/message_loops/message_loop_utils.cc b/brillo/message_loops/message_loop_utils.cc
new file mode 100644
index 0000000..7931447
--- /dev/null
+++ b/brillo/message_loops/message_loop_utils.cc
@@ -0,0 +1,34 @@
+// Copyright 2015 The Chromium OS 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 <brillo/message_loops/message_loop_utils.h>
+
+#include <base/location.h>
+#include <brillo/bind_lambda.h>
+
+namespace brillo {
+
+void MessageLoopRunUntil(
+    MessageLoop* loop,
+    base::TimeDelta timeout,
+    base::Callback<bool()> terminate) {
+  bool timeout_called = false;
+  MessageLoop::TaskId task_id = loop->PostDelayedTask(
+      FROM_HERE,
+      base::Bind([&timeout_called]() { timeout_called = true; }),
+      timeout);
+  while (!timeout_called && (terminate.is_null() || !terminate.Run()))
+    loop->RunOnce(true);
+
+  if (!timeout_called)
+    loop->CancelTask(task_id);
+}
+
+int MessageLoopRunMaxIterations(MessageLoop* loop, int iterations) {
+  int result;
+  for (result = 0; result < iterations && loop->RunOnce(false); result++) {}
+  return result;
+}
+
+}  // namespace brillo