Move //mojo/services/X/public/... to //mojo/services/X/... (part 4).

mojo/services/view_manager/cpp/view_tracker.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 MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_TRACKER_H_
-#define MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_TRACKER_H_
+#ifndef MOJO_SERVICES_VIEW_MANAGER_CPP_VIEW_TRACKER_H_
+#define MOJO_SERVICES_VIEW_MANAGER_CPP_VIEW_TRACKER_H_
 
 #include <stdint.h>
 #include <set>
 
 #include "mojo/public/cpp/system/macros.h"
-#include "view_manager/public/cpp/view_observer.h"
+#include "view_manager/cpp/view_observer.h"
 
 namespace mojo {
 
 class ViewTracker : public ViewObserver {
  public:
   using Views = std::set<View*>;
 
   ViewTracker();
   ~ViewTracker() override;
 
@@ skipping 14 matching lines @@
   void OnViewDestroying(View* view) override;
 
  private:
   Views views_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(ViewTracker);
 };
 
 }  // namespace mojo
 
-#endif  // MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_TRACKER_H_
+#endif  // MOJO_SERVICES_VIEW_MANAGER_CPP_VIEW_TRACKER_H_