[Refactor] Consolidate the logic for whether a widget can be activated.

ui/views/touchui/touch_selection_controller_impl.cc

Index: ui/views/touchui/touch_selection_controller_impl.cc
diff --git a/ui/views/touchui/touch_selection_controller_impl.cc b/ui/views/touchui/touch_selection_controller_impl.cc
index 316fe3bc5f3969007763fe42b2d3895fae15d709..6005a73c6eb1a2dd77099b5365fd2dc162c0be79 100644
--- a/ui/views/touchui/touch_selection_controller_impl.cc
+++ b/ui/views/touchui/touch_selection_controller_impl.cc
@@ -74,7 +74,6 @@ views::Widget* CreateTouchSelectionPopupWidget(
     views::WidgetDelegate* widget_delegate) {
   views::Widget* widget = new views::Widget;
   views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
-  params.can_activate = false;
   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   params.parent = context;