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diff --git a/mojo/services/view_manager/root_view_manager.h b/mojo/services/view_manager/root_view_manager.h
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+++ b/mojo/services/view_manager/root_view_manager.h
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+// 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_ROOT_VIEW_MANAGER_H_
+#define MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_
+
+#include <map>
+
+#include "base/basictypes.h"
+#include "mojo/services/native_viewport/native_viewport.mojom.h"
+#include "mojo/services/view_manager/view.h"
+
+namespace mojo {
+namespace services {
+namespace view_manager {
+
+class View;
+class ViewId;
+class ViewManagerConnection;
+
+// RootViewManager is responsible for managing the set of ViewManagerConnections
+// as well as providing the root of the View hierarchy.
+class RootViewManager : public NativeViewportClient {
+ public:
+  RootViewManager();
+  virtual ~RootViewManager();
+
+  // Returns the id for the next view manager.
+  int32_t GetAndAdvanceNextConnectionId();
+
+  void AddConnection(ViewManagerConnection* connection);
+  void RemoveConnection(ViewManagerConnection* connection);
+
+  // Returns the View identified by the specified pair, or NULL if there isn't
+  // one.
+  View* GetView(int32_t manager_id, int32_t view_id);
+
+ private:
+  typedef std::map<int32_t, ViewManagerConnection*> ConnectionMap;
+
+  // Overridden from NativeViewportClient:
+  virtual void OnCreated() OVERRIDE;
+  virtual void OnDestroyed() OVERRIDE;
+  virtual void OnBoundsChanged(const Rect& bounds) OVERRIDE;
+  virtual void OnEvent(const Event& event,
+                       const mojo::Callback<void()>& callback) OVERRIDE;
+
+  // ID to use for next ViewManagerConnection.
+  int32_t next_connection_id_;
+
+  // Set of ViewManagerConnections.
+  ConnectionMap connection_map_;
+
+  // Root of Views that are displayed.
+  View root_;
+
+  DISALLOW_COPY_AND_ASSIGN(RootViewManager);
+};
+
+}  // namespace view_manager
+}  // namespace services
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_