Adds a porting layer so aura can be made to work with mus

ui/aura/window_port_local.h

Index: ui/aura/window_port_local.h
diff --git a/ui/aura/window_port_local.h b/ui/aura/window_port_local.h
new file mode 100644
index 0000000000000000000000000000000000000000..edf5ce000c8f5a64d67fda02b236fb7a7419c824
--- /dev/null
+++ b/ui/aura/window_port_local.h
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+// Copyright 2016 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 UI_AURA_WINDOW_PORT_LOCAL_H_
+#define UI_AURA_WINDOW_PORT_LOCAL_H_
+
+#include "base/macros.h"
+#include "ui/aura/window_port.h"
+
+namespace aura {
+
+class Window;
+
+// WindowPort implementation for classic aura, e.g. not mus.
+class AURA_EXPORT WindowPortLocal : public WindowPort {
+ public:
+  explicit WindowPortLocal(Window* window);
+  ~WindowPortLocal() override;
+
+  // WindowPort:
+  std::unique_ptr<WindowPortInitData> OnPreInit(Window* window) override;
+  void OnPostInit(std::unique_ptr<WindowPortInitData> init_data) override;
+  void OnDeviceScaleFactorChanged(float device_scale_factor) override;
+  void OnWillAddChild(Window* child) override;
+  void OnWillRemoveChild(Window* child) override;
+  void OnWillMoveChild(size_t current_index, size_t dest_index) override;
+  void OnVisibilityChanged(bool visible) override;
+  void OnDidChangeBounds(const gfx::Rect& old_bounds,
+                         const gfx::Rect& new_bounds) override;
+  std::unique_ptr<WindowPortPropertyData> OnWillChangeProperty(
+      const void* key) override;
+  void OnPropertyChanged(const void* key,
+                         std::unique_ptr<WindowPortPropertyData> data) override;
+
+ private:
+  Window* window_;
+
+  DISALLOW_COPY_AND_ASSIGN(WindowPortLocal);
+};
+
+}  // namespace aura
+
+#endif  // UI_AURA_WINDOW_PORT_LOCAL_H_