Switch to standard integer types in components/, part 2 of 4.

components/mus/ws/focus_controller_unittest.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 "components/mus/ws/focus_controller.h"
 
+#include <stddef.h>
+#include <stdint.h>
+
+#include "base/macros.h"
 #include "components/mus/ws/focus_controller_delegate.h"
 #include "components/mus/ws/focus_controller_observer.h"
 #include "components/mus/ws/server_window.h"
 #include "components/mus/ws/test_server_window_delegate.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mus {
 
 namespace ws {
 namespace {
@@ skipping 206 matching lines @@
   // Once |child_second| is made visible, activation should go from
   // |child_first| to |child_second|.
   child_second.SetVisible(true);
   focus_controller.ActivateNextWindow();
   EXPECT_EQ(&child_first, focus_observer.old_active_window());
   EXPECT_EQ(&child_second, focus_observer.new_active_window());
 }
 
 }  // namespace ws
 }  // namespace mus