services/ui: Create a proper component for the client-lib.

services/ui/public/cpp/window.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 SERVICES_UI_PUBLIC_CPP_WINDOW_H_
 #define SERVICES_UI_PUBLIC_CPP_WINDOW_H_
 
 #include <stdint.h>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "mojo/public/cpp/bindings/array.h"
 #include "services/shell/public/interfaces/interface_provider.mojom.h"
 #include "services/ui/common/types.h"
+#include "services/ui/public/cpp/ui_export.h"
 #include "services/ui/public/interfaces/mus_constants.mojom.h"
 #include "services/ui/public/interfaces/window_tree.mojom.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace gfx {
 class Size;
 }
 
 namespace ui {
@@ skipping 13 matching lines @@
 // Defined in window_property.h (which we do not include)
 template <typename T>
 struct WindowProperty;
 
 // Windows are owned by the WindowTreeClient. See WindowTreeClientDelegate for
 // details on ownership.
 //
 // TODO(beng): Right now, you'll have to implement a WindowObserver to track
 //             destruction and NULL any pointers you have.
 //             Investigate some kind of smart pointer or weak pointer for these.
-class Window {
+class UI_EXPORT Window {
  public:
   using Children = std::vector<Window*>;
   using EmbedCallback = base::Callback<void(bool)>;
   using PropertyDeallocator = void (*)(int64_t value);
   using SharedProperties = std::map<std::string, std::vector<uint8_t>>;
 
   // Destroys this window and all its children. Destruction is allowed for
   // windows that were created by this connection, or the roots. For windows
   // from other connections (except the roots), Destroy() does nothing. If the
   // destruction is allowed observers are notified and the Window is
@@ skipping 303 matching lines @@
   };
 
   std::map<const void*, Value> prop_map_;
 
   DISALLOW_COPY_AND_ASSIGN(Window);
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_PUBLIC_CPP_WINDOW_H_