Restore aura support from Mojo repo.

mandoline/ui/aura/native_widget_view_manager.h

Index: mandoline/ui/aura/native_widget_view_manager.h
diff --git a/mandoline/ui/aura/native_widget_view_manager.h b/mandoline/ui/aura/native_widget_view_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..dd96ce11a2cd897517f9f129cb32dacb32093b33
--- /dev/null
+++ b/mandoline/ui/aura/native_widget_view_manager.h
@@ -0,0 +1,70 @@
+// 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 MANDOLINE_UI_AURA_NATIVE_WIDGET_VIEW_MANAGER_H_
+#define MANDOLINE_UI_AURA_NATIVE_WIDGET_VIEW_MANAGER_H_
+
+#include "components/view_manager/public/cpp/view_observer.h"
+#include "ui/views/widget/native_widget_aura.h"
+
+namespace aura {
+namespace client {
+class DefaultCaptureClient;
+}
+}
+
+namespace ui {
+namespace internal {
+class InputMethodDelegate;
+}
+}
+
+namespace wm {
+class FocusController;
+}
+
+namespace mojo {
+class Shell;
+}
+
+namespace mandoline {
+
+class WindowTreeHostMojo;
+
+class NativeWidgetViewManager : public views::NativeWidgetAura,
+                                       public mojo::ViewObserver {
+ public:
+  NativeWidgetViewManager(views::internal::NativeWidgetDelegate* delegate,
+                          mojo::Shell* shell,
+                          mojo::View* view);
+  ~NativeWidgetViewManager() override;
+
+ private:
+  // Overridden from internal::NativeWidgetAura:
+  void InitNativeWidget(const views::Widget::InitParams& in_params) override;
+  void OnWindowVisibilityChanged(aura::Window* window, bool visible) override;
+
+  // ViewObserver:
+  void OnViewDestroyed(mojo::View* view) override;
+  void OnViewBoundsChanged(mojo::View* view,
+                           const mojo::Rect& old_bounds,
+                           const mojo::Rect& new_bounds) override;
+  void OnViewInputEvent(mojo::View* view, const mojo::EventPtr& event) override;
+
+  scoped_ptr<WindowTreeHostMojo> window_tree_host_;
+
+  scoped_ptr<wm::FocusController> focus_client_;
+
+  scoped_ptr<ui::internal::InputMethodDelegate> ime_filter_;
+
+  mojo::View* view_;
+
+  scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeWidgetViewManager);
+};
+
+}  // namespace mandoline
+
+#endif  // MANDOLINE_UI_AURA_NATIVE_WIDGET_VIEW_MANAGER_H_