Fix compile error on Win64 due to C++ warning 4275 occurring because an exported class ViewManagerC…

mojo/services/view_manager/view_manager_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 MOJO_SERVICES_VIEW_MANAGER_VIEW_MANAGER_CONNECTION_H_
 #define MOJO_SERVICES_VIEW_MANAGER_VIEW_MANAGER_CONNECTION_H_
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "mojo/public/cpp/shell/service.h"
 #include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h"
 #include "mojo/services/view_manager/ids.h"
 #include "mojo/services/view_manager/node_delegate.h"
 #include "mojo/services/view_manager/view_manager_export.h"
 
 namespace mojo {
 namespace services {
 namespace view_manager {
 
 class Node;
 class RootNodeManager;
 class View;
 
+#if defined(OS_WIN)
+// Equivalent of NON_EXPORTED_BASE which does not work with the template snafu
+// below.
+#pragma warning(push)
+#pragma warning(disable : 4275)
+#endif
+
 // Manages a connection from the client.
 class MOJO_VIEW_MANAGER_EXPORT ViewManagerConnection
-    : public ServiceConnection<NON_EXPORTED_BASE(IViewManager),
-                               ViewManagerConnection,
+    : public ServiceConnection<IViewManager, ViewManagerConnection,
                                RootNodeManager>,
       public NodeDelegate {
  public:
   ViewManagerConnection();
   virtual ~ViewManagerConnection();
 
   TransportConnectionId id() const { return id_; }
 
   // Invoked when connection is established.
   void Initialize();
@@ skipping 81 matching lines @@
   // Initialize().
   TransportConnectionId id_;
 
   NodeMap node_map_;
 
   ViewMap view_map_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewManagerConnection);
 };
 
+#if defined(OS_WIN)
+#pragma warning(pop)
+#endif
+
 }  // namespace view_manager
 }  // namespace services
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_VIEW_MANAGER_VIEW_MANAGER_CONNECTION_H_