Remove SkTileGrid (except for TileGridInfo).

src/core/SkTileGrid.h

Index: src/core/SkTileGrid.h
diff --git a/src/core/SkTileGrid.h b/src/core/SkTileGrid.h
deleted file mode 100644
index 7e12a9d93e32f5a5835dc293044a362adc2e1266..0000000000000000000000000000000000000000
--- a/src/core/SkTileGrid.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * 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
-
-#include "SkBBHFactory.h"
-#include "SkBBoxHierarchy.h"
-
-/**
- * Subclass of SkBBoxHierarchy that stores elements in buckets that correspond
- * to tile regions, disposed in a regular grid.  This is useful when the tile
- * structure that will be use in search() calls is known prior to insertion.
- */
-class SkTileGrid : public SkBBoxHierarchy {
-public:
-    SkTileGrid(int xTiles, int yTiles, const SkTileGridFactory::TileGridInfo& info);
-    virtual ~SkTileGrid();
-
-    virtual void insert(SkAutoTMalloc<SkRect>* boundsArray, int N) SK_OVERRIDE;
-    virtual void search(const SkRect& query, SkTDArray<unsigned>* results) const SK_OVERRIDE;
-
-    // For testing.
-    int tileCount(int x, int y) { return fTiles[y * fXTiles + x].count(); }
-
-    virtual size_t bytesUsed() const SK_OVERRIDE;
-
-private:
-    void reserve(int);
-    void shrinkToFit();
-
-    void commonAdjust(SkRect*) const;
-    void userToGrid(const SkRect&, SkIRect* grid) const;
-
-    const int fXTiles, fYTiles;
-    const SkScalar fInvWidth, fInvHeight;
-    const SkScalar fMarginWidth, fMarginHeight;
-    const SkPoint fOffset;
-    const SkRect  fGridBounds;
-
-    // (fXTiles * fYTiles) SkTDArrays, each listing ops overlapping that tile in order.
-    SkTDArray<unsigned>* fTiles;
-
-    typedef SkBBoxHierarchy INHERITED;
-};
-
-#endif