Move services code brought in from Mojo to live under //third_party.

mojo/services/view_manager/public/cpp/view_manager.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_MANAGER_H_
-#define MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_H_
-
-#include <string>
-
-#include "view_manager/public/cpp/types.h"
-
-namespace mojo {
-class View;
-
-// Encapsulates a connection to the view manager service. A unique connection
-// is made every time an app is embedded.
-class ViewManager {
- public:
-  // Returns the URL of the application that embedded this application.
-  virtual const std::string& GetEmbedderURL() const = 0;
-
-  // Returns the root of this connection.
-  virtual View* GetRoot() = 0;
-
-  // Returns a View known to this connection.
-  virtual View* GetViewById(Id id) = 0;
-
-  // Returns the focused view; null if focus is not yet known or another app is
-  // focused.
-  virtual View* GetFocusedView() = 0;
-
-  // Creates and returns a new View (which is owned by the ViewManager). Views
-  // are initially hidden, use SetVisible(true) to show.
-  virtual View* CreateView() = 0;
-
- protected:
-  virtual ~ViewManager() {}
-};
-
-}  // namespace mojo
-
-#endif  // MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_VIEW_MANAGER_H_