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

components/mus/public/cpp/window_tree_connection.h

 // Copyright 2014 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_PUBLIC_CPP_WINDOW_TREE_CONNECTION_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_WINDOW_TREE_CONNECTION_H_
 
+#include <stdint.h>
+
 #include <map>
 #include <string>
 #include <vector>
 
 #include "components/mus/common/types.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 
 namespace mus {
 
@@ skipping 51 matching lines @@
   // Returns the id for this connection.
   virtual ConnectionSpecificId GetConnectionId() = 0;
 
   virtual void AddObserver(WindowTreeConnectionObserver* observer) = 0;
   virtual void RemoveObserver(WindowTreeConnectionObserver* observer) = 0;
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_WINDOW_TREE_CONNECTION_H_