Make BBH::search() const.

src/core/SkTileGrid.h

Index: src/core/SkTileGrid.h
diff --git a/src/core/SkTileGrid.h b/src/core/SkTileGrid.h
index 0ec5c2c3932187472d4f284f441b6c8c017d04d1..418991a9d1a60a01e64dde6c4108f29b6cf76500 100644
--- a/src/core/SkTileGrid.h
+++ b/src/core/SkTileGrid.h
@@ -54,7 +54,7 @@ public:
      * Populate 'results' with data pointers corresponding to bounding boxes that intersect 'query'
      * The query argument is expected to be an exact match to a tile of the grid
      */
-    virtual void search(const SkIRect& query, SkTDArray<void*>* results) SK_OVERRIDE;
+    virtual void search(const SkIRect& query, SkTDArray<void*>* results) const SK_OVERRIDE;
 
     virtual void clear() SK_OVERRIDE;
 
@@ -75,7 +75,7 @@ public:
     int tileCount(int x, int y);  // For testing only.
 
 private:

[robertphillips, 2014/08/08 18:24:23]

can this return "const SkTDArray<void>&" ?

[mtklein, 2014/08/08 18:38:50]

Looks like yes, though it's a little more involved than you'd think.  Have a
look?

-    SkTDArray<void*>& tile(int x, int y);
+    SkTDArray<void*>& tile(int x, int y) const;
 
     int fXTileCount, fYTileCount, fTileCount;
     SkTileGridFactory::TileGridInfo fInfo;