Visual bench on native android

include/views/SkOSWindow_Android.h

 /*
  * Copyright 2011 Skia
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkOSWindow_Android_DEFINED
 #define SkOSWindow_Android_DEFINED
 
 #include "SkWindow.h"
 
+#include <EGL/egl.h>
+
+struct SkAndroidWindow {
+    EGLDisplay fDisplay;
+    EGLSurface fSurface;
+    EGLContext fContext;
+};
+
 class SkOSWindow : public SkWindow {
 public:
-    SkOSWindow(void*) {}
-    ~SkOSWindow() {}
+    SkOSWindow(void*);
+    ~SkOSWindow();
 
     enum SkBackEndTypes {
         kNone_BackEndType,
         kNativeGL_BackEndType,
     };
 
     bool attach(SkBackEndTypes attachType, int msaaSampleCount, AttachmentInfo* info);
-    void detach() {}
-    void present() {}
+    void detach();
+    void present();
+    void closeWindow() override;
+    void setVsync(bool) override;
+    bool destroyRequested() { return fDestroyRequested; }
 
-    virtual void onPDFSaved(const char title[], const char desc[],
-        const char path[]);
+    virtual void onPDFSaved(const char title[], const char desc[], const char path[]);
 
 protected:
     // overrides from SkWindow
     virtual void onHandleInval(const SkIRect&);
     virtual void onSetTitle(const char title[]);
 
 private:
+    SkAndroidWindow fWindow;
+    ANativeWindow* fNativeWindow;
+    bool fDestroyRequested;
+
     typedef SkWindow INHERITED;
 };
 
 #endif