sky/shell updates for Android and iOS

sky/shell/android/platform_view_android.h

Index: sky/shell/android/platform_view_android.h
diff --git a/sky/shell/android/platform_view_android.h b/sky/shell/android/platform_view_android.h
new file mode 100644
index 0000000000000000000000000000000000000000..a03faa8276315ae3b12756988b079c4f2134ce15
--- /dev/null
+++ b/sky/shell/android/platform_view_android.h
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+// 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_ANDROID_H_
+#define SKY_SHELL_PLATFORM_VIEW_ANDROID_H_
+
+#include "sky/shell/platform_view.h"
+
+struct ANativeWindow;
+
+namespace sky {
+namespace shell {
+
+class PlatformViewAndroid : public PlatformView {
+ public:
+  static bool Register(JNIEnv* env);
+  ~PlatformViewAndroid() override;
+
+  // Called from Java
+  void Detach(JNIEnv* env, jobject obj);
+  void SurfaceCreated(JNIEnv* env, jobject obj, jobject jsurface);
+  void SurfaceDestroyed(JNIEnv* env, jobject obj);
+
+ private:
+  void ReleaseWindow();
+
+  ANativeWindow* window_;
+
+  DISALLOW_COPY_AND_ASSIGN(PlatformViewAndroid);
+};
+
+}  // namespace shell
+}  // namespace sky
+
+#endif  // SKY_SHELL_PLATFORM_VIEW_ANDROID_H_