Staged removal of SkPicture-derived classes

include/core/SkRTreePicture.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkRTreePicture_DEFINED
 #define SkRTreePicture_DEFINED
 
 #include "SkPicture.h"
 
+class SkRTreeFactory : public SkBBHFactory {
+public:
+    virtual SkBBoxHierarchy* operator()(int width, int height) const SK_OVERRIDE;
+private:
+    typedef SkBBHFactory INHERITED;
+};
+
+#ifdef SK_SUPPORT_LEGACY_DERIVED_PICTURE_CLASSES
 /**
  * Subclass of SkPicture that creates an RTree acceleration structure.
  */
 class SkRTreePicture : public SkPicture {
 public:
     virtual SkBBoxHierarchy* createBBoxHierarchy() const SK_OVERRIDE;
 
 private:
     typedef SkPicture INHERITED;
 };
 
 class SkRTreePictureFactory : public SkPictureFactory {
 public:
     SkRTreePictureFactory() {}
 
     virtual SkPicture* create(int width, int height) SK_OVERRIDE {
         return SkNEW(SkRTreePicture);
     }
 
 private:
     typedef SkPictureFactory INHERITED;
 };
+#endif
 
 #endif