Update ConstrainedWindowViews appearance according to mock

ui/views/view.cc

Index: ui/views/view.cc
diff --git a/ui/views/view.cc b/ui/views/view.cc
index 858248d64d7b457a18daf25d123a4d69cdfd878d..5f81c5ff9fb0edbe32e21b7060ef569c1e856482 100644
--- a/ui/views/view.cc
+++ b/ui/views/view.cc
@@ -107,6 +107,7 @@ View::View()
       registered_for_visible_bounds_notification_(false),
       clip_insets_(0, 0, 0, 0),
       needs_layout_(true),
+      focus_border_(FocusBorder::CreateDashedFocusBorder()),
       flip_canvas_on_paint_for_rtl_ui_(false),
       paint_to_layer_(false),
       accelerator_registration_delayed_(false),
@@ -1148,11 +1149,12 @@ void View::OnPaintBorder(gfx::Canvas* canvas) {
 }
 
 void View::OnPaintFocusBorder(gfx::Canvas* canvas) {
-  if (HasFocus() && (focusable() || IsAccessibilityFocusable())) {
+  if (focus_border_.get() &&
+      HasFocus() && (focusable() || IsAccessibilityFocusable())) {
     TRACE_EVENT2("views", "views::OnPaintFocusBorder",
                  "width", canvas->sk_canvas()->getDevice()->width(),
                  "height", canvas->sk_canvas()->getDevice()->height());
-    canvas->DrawFocusRect(GetLocalBounds());
+    focus_border_->Paint(*this, canvas);
   }
 }