Clean up some dead code.

tools/CopyTilesRenderer.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 CopyTilesRenderer_DEFINED
-#define CopyTilesRenderer_DEFINED
-
-#include "PictureRenderer.h"
-#include "SkTypes.h"
-
-struct GrContextOptions;
-class SkPicture;
-class SkString;
-
-namespace sk_tools {
-    /**
-     *  PictureRenderer that draws the picture and then extracts it into tiles. For large pictures,
-     *  it will divide the picture into large tiles and draw the picture once for each large tile.
-     */
-    class CopyTilesRenderer : public TiledPictureRenderer {
-
-    public:
-#if SK_SUPPORT_GPU
-        CopyTilesRenderer(const GrContextOptions &opts, int x, int y);
-#else
-        CopyTilesRenderer(int x, int y);
-#endif
-        virtual void init(const SkPicture* pict, 
-                          const SkString* writePath, 
-                          const SkString* mismatchPath,
-                          const SkString* inputFilename,
-                          bool useChecksumBasedFilenames,
-                          bool useMultiPictureDraw) override;
-
-        /**
-         *  Similar to TiledPictureRenderer, this will draw a PNG for each tile. However, the
-         *  numbering (and actual tiles) will be different.
-         */
-        bool render(SkBitmap** out) override;
-
-        bool supportsTimingIndividualTiles() override { return false; }
-
-    private:
-        int fXTilesPerLargeTile;
-        int fYTilesPerLargeTile;
-
-        int fLargeTileWidth;
-        int fLargeTileHeight;
-
-        SkString getConfigNameInternal() override;
-
-        typedef TiledPictureRenderer INHERITED;
-    };
-} // sk_tools
-#endif // CopyTilesRenderer_DEFINED