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

services/ui/public/cpp/window_tree_client.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_TREE_CLIENT_H_
 #define SERVICES_UI_PUBLIC_CPP_WINDOW_TREE_CLIENT_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/atomicops.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "mojo/public/cpp/bindings/associated_binding.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/ui/common/types.h"
+#include "services/ui/public/cpp/ui_export.h"
 #include "services/ui/public/cpp/window.h"
 #include "services/ui/public/cpp/window_manager_delegate.h"
 #include "services/ui/public/interfaces/window_tree.mojom.h"
 
 namespace display {
 class Display;
 }
 
 namespace gfx {
 class Insets;
@@ skipping 18 matching lines @@
 //   configured to delete when there are no roots (true if the WindowTreeClient
 //   is created with a mojom::WindowTreeClientRequest). This happens
 //   if the owner of the roots Embed()s another app in all the roots, or all
 //   the roots are explicitly deleted.
 // . The connection to mus is lost.
 // . Explicitly by way of calling delete.
 //
 // When WindowTreeClient is deleted all windows are deleted (and observers
 // notified). This is followed by calling
 // WindowTreeClientDelegate::OnDidDestroyClient().
-class WindowTreeClient : public mojom::WindowTreeClient,
-                         public mojom::WindowManager,
-                         public WindowManagerClient {
+class UI_EXPORT WindowTreeClient
+    : NON_EXPORTED_BASE(public mojom::WindowTreeClient),
+      NON_EXPORTED_BASE(public mojom::WindowManager),
+      public WindowManagerClient {
  public:
   WindowTreeClient(WindowTreeClientDelegate* delegate,
                    WindowManagerDelegate* window_manager_delegate,
                    mojom::WindowTreeClientRequest request);
   ~WindowTreeClient() override;
 
   // Establishes the connection by way of the WindowTreeFactory.
   void ConnectViaWindowTreeFactory(shell::Connector* connector);
 
   // Establishes the connection by way of WindowManagerWindowTreeFactory.
@@ skipping 357 matching lines @@
   base::Callback<void(bool)> on_current_move_finished_;
 
   base::WeakPtrFactory<WindowTreeClient> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeClient);
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_PUBLIC_CPP_WINDOW_TREE_CLIENT_H_