Remove legacy picture recording

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
-
-#ifdef SK_SUPPORT_LEGACY_PICTURE_HEADERS
-#include "SkBBHFactory.h"
-#endif
-
-#ifdef SK_SUPPORT_LEGACY_DERIVED_PICTURE_CLASSES
-
-#include "SkPicture.h"
-
-/**
- * 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