Demote getCount, getDepth, and clear to RTree-only methods.

src/core/SkTileGrid.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkTileGrid_DEFINED
 #define SkTileGrid_DEFINED
 
@@ skipping 20 matching lines @@
     virtual void insert(unsigned opIndex, const SkRect& bounds, bool) SK_OVERRIDE;
 
     virtual void flushDeferredInserts() SK_OVERRIDE {};
 
     /**
      * Populate 'results' with opIndexes corresponding to bounding boxes that intersect 'query'.
      * This will be fastest if the query is an exact match to a single grid tile.
      */
     virtual void search(const SkRect& query, SkTDArray<unsigned>* results) const SK_OVERRIDE;
 
-    virtual void clear() SK_OVERRIDE;
-
-    virtual int getCount() const SK_OVERRIDE { return fCount; }
-
-    virtual int getDepth() const SK_OVERRIDE { return -1; }
-
     // For testing.
     int tileCount(int x, int y) { return fTiles[y * fXTiles + x].count(); }
 
 private:
     const int fXTiles, fYTiles;
     SkTileGridFactory::TileGridInfo fInfo;
-    size_t fCount;
 
     // (fXTiles * fYTiles) SkTDArrays, each listing ops overlapping that tile in order.
     SkTDArray<unsigned>* fTiles;
 
     typedef SkBBoxHierarchy INHERITED;
 };
 
 #endif