One SkTSearch to rule them all. Allow key to be of different type than the array.

src/core/SkBitmapHeap.h

Index: src/core/SkBitmapHeap.h
diff --git a/src/core/SkBitmapHeap.h b/src/core/SkBitmapHeap.h
index be99e191a4273c96298afa4a064b23c4dadbdefe..2547eeec74af9a3a93e12b6dd1b0be2433982b52 100644
--- a/src/core/SkBitmapHeap.h
+++ b/src/core/SkBitmapHeap.h
@@ -238,9 +238,9 @@ private:
         uint32_t fStorageSlot; // slot of corresponding bitmap in fStorage.
 
         /**
-         * Compare two LookupEntry pointers, returning -1, 0, 1 for sorting.
+         * Compare two LookupEntry pointers for sorting and searching.
          */
-        static int Compare(const LookupEntry* a, const LookupEntry* b);
+        static bool Less(const LookupEntry& a, const LookupEntry& b);
     };
 
     /**