Revert "Delete the ViewManager and WindowManager services."

mojo/services/view_manager/cpp/view_manager_context.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_CPP_VIEW_MANAGER_CONTEXT_H_
+#define MOJO_SERVICES_VIEW_MANAGER_CPP_VIEW_MANAGER_CONTEXT_H_
+
+#include <string>
+#include <vector>
+
+#include "mojo/public/cpp/application/service_provider_impl.h"
+#include "mojo/public/cpp/system/macros.h"
+
+namespace mojo {
+class ApplicationImpl;
+
+class ViewManagerContext {
+ public:
+  explicit ViewManagerContext(ApplicationImpl* application_impl);
+  ~ViewManagerContext();
+
+  // Embed an application @ |url| at an appropriate View.
+  // The first time this method is called in the life time of the View Manager
+  // service the "appropriate View" is defined as being the service' root View.
+  // Subsequent times, the implementation of this method is delegated to the
+  // application embedded at the service root View. This application will have a
+  // specific definition of where within its View hierarchy to embed an
+  // un-parented URL.
+  // |services| encapsulates services offered by the embedder to the embedded
+  // app alongside this Embed() call. |exposed_services| provides a means for
+  // the embedder to connect to services exposed by the embedded app.
+  void Embed(const String& url);
+  void Embed(const String& url,
+             InterfaceRequest<ServiceProvider> services,
+             ServiceProviderPtr exposed_Services);
+
+ private:
+  class InternalState;
+  InternalState* state_;
+
+  MOJO_DISALLOW_COPY_AND_ASSIGN(ViewManagerContext);
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_VIEW_MANAGER_CPP_VIEW_MANAGER_CONTEXT_H_