Revert of Change focus indicator for TableView and TreeView.

ui/views/style/platform_style_mac.mm

Index: ui/views/style/platform_style_mac.mm
diff --git a/ui/views/style/platform_style_mac.mm b/ui/views/style/platform_style_mac.mm
index e1d396e2795be9d4b0538fafba61d9a89275f21d..a335d9931f2c9bee32bed6bee1282a960d5d901e 100644
--- a/ui/views/style/platform_style_mac.mm
+++ b/ui/views/style/platform_style_mac.mm
@@ -25,6 +25,7 @@
 const bool PlatformStyle::kDialogDefaultButtonCanBeCancel = false;
 const bool PlatformStyle::kSelectWordOnRightClick = true;
 const bool PlatformStyle::kSelectAllOnRightClickWhenUnfocused = true;
+const bool PlatformStyle::kTreeViewHasFocusRing = true;
 const bool PlatformStyle::kTreeViewSelectionPaintsEntireRow = true;
 const bool PlatformStyle::kUseRipples = false;