Basic Sky shell for iOS targets

sky/shell/ios/platform_view_ios.h

+// Copyright 2015 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 SKY_SHELL_PLATFORM_VIEW_IOS_H_
+#define SKY_SHELL_PLATFORM_VIEW_IOS_H_
+
+#include "sky/shell/platform_view.h"
+
+namespace sky {
+namespace shell {
+
+class PlatformViewIOS : public PlatformView {
+ public:
+  void SurfaceCreated(gfx::AcceleratedWidget widget);
+  void SurfaceDestroyed(void);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(PlatformViewIOS);
+};
+
+}  // namespace shell
+}  // namespace sky
+
+#endif  // SKY_SHELL_PLATFORM_VIEW_IOS_H_