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

src/core/SkTileGrid.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTileGrid.h"
 
 SkTileGrid::SkTileGrid(int xTiles, int yTiles, const SkTileGridFactory::TileGridInfo& info)
     : fXTiles(xTiles)
     , fYTiles(yTiles)
     , fInfo(info)
-    , fCount(0)
     , fTiles(SkNEW_ARRAY(SkTDArray<unsigned>, xTiles * yTiles)) {
     // Margin is offset by 1 as a provision for AA and
     // to cancel-out the outset applied by getClipDeviceBounds.
     fInfo.fMargin.fHeight++;
     fInfo.fMargin.fWidth++;
 }
 
 SkTileGrid::~SkTileGrid() {
     SkDELETE_ARRAY(fTiles);
 }
@@ skipping 114 matching lines @@
         // We did find an earliest op. Output it, and step forward every tile that contains it.
         results->push(earliest);
         for (int i = 0; i < starts.count(); i++) {
             if (starts[i] < ends[i] && *starts[i] == earliest) {
                 starts[i]++;
             }
         }
     }
 }
 
-void SkTileGrid::clear() {
-    for (int i = 0; i < fXTiles * fYTiles; i++) {
-        fTiles[i].reset();
-    }
-}
-