namespace ash {
-const int kShelfPreferredSize = 48;
const int kShelfBackgroundAlpha = 204;
const int kInvalidImageResourceID = -1;
const int kInvalidShelfID = 0;
+const int kShelfSize = 47;
+const int kShelfButtonSpacing = 10;
+const int kShelfButtonSize = 44;
const int kTimeToSwitchBackgroundMs = 1000;
} // namespace ash