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

components/mus/ws/window_tree_host_impl.h

 // 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.
 
 #ifndef COMPONENTS_MUS_WS_WINDOW_TREE_HOST_IMPL_H_
 #define COMPONENTS_MUS_WS_WINDOW_TREE_HOST_IMPL_H_
 
+#include <stdint.h>
+
 #include <queue>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "components/mus/common/types.h"
 #include "components/mus/public/interfaces/window_tree_host.mojom.h"
 #include "components/mus/ws/display_manager.h"
 #include "components/mus/ws/event_dispatcher.h"
 #include "components/mus/ws/event_dispatcher_delegate.h"
@@ skipping 168 matching lines @@
   std::queue<mojom::EventPtr> event_queue_;
   base::OneShotTimer event_ack_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostImpl);
 };
 
 }  // namespace ws
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_WINDOW_TREE_HOST_IMPL_H_