Move closeWindow()/setFullscreen()/setVSynv() from SkWindow to SkOSWindow

include/views/SkOSWindow_Unix.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkOSWindow_Unix_DEFINED
 #define SkOSWindow_Unix_DEFINED
 
@@ skipping 28 matching lines @@
     };
 
     bool attach(SkBackEndTypes attachType, int msaaSampleCount, AttachmentInfo*);
     void detach();
     void present();
 
     int getMSAASampleCount() const { return fMSAASampleCount; }
 
     //static bool PostEvent(SkEvent* evt, SkEventSinkID, SkMSec delay);
 
-    void setFullscreen(bool) override;
-    void setVsync(bool) override;
-    void closeWindow() override;
+    bool makeFullscreen();
+    void setVsync(bool);
+    void closeWindow();
 
 protected:
     // Overridden from from SkWindow:
     void onSetTitle(const char title[]) override;
 
 private:
     enum NextXEventResult {
         kContinue_NextXEventResult,
         kQuitRequest_NextXEventResult,
         kPaintRequest_NextXEventResult
@@ skipping 12 matching lines @@
 
     // Needed for GL
     XVisualInfo* fVi;
     // we recreate the underlying xwindow if this changes
     int fMSAASampleCount;
 
     typedef SkWindow INHERITED;
 };
 
 #endif