Reuse the code within UpdateCheckMark()

ash/common/system/tray_accessibility.cc

Index: ash/common/system/tray_accessibility.cc
diff --git a/ash/common/system/tray_accessibility.cc b/ash/common/system/tray_accessibility.cc
index 47eb8fbf0cf4771ef45b380075233457e690d4b9..b4c6276400e2f6cd91fa5a74051c723982642cd7 100644
--- a/ash/common/system/tray_accessibility.cc
+++ b/ash/common/system/tray_accessibility.cc
@@ -25,7 +25,6 @@
 #include "base/strings/utf_string_conversions.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/color_palette.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/resources/grit/ui_resources.h"
@@ -89,20 +88,6 @@ LoginStatus GetCurrentLoginStatus() {
   return Shell::Get()->system_tray_delegate()->GetUserLoginStatus();
 }
 
-void UpdateCheckMark(HoverHighlightView* container, bool checked) {
-  if (checked) {
-    gfx::ImageSkia check_mark =
-        CreateVectorIcon(kCheckCircleIcon, gfx::kGoogleGreen700);
-    container->AddRightIcon(check_mark, check_mark.width());
-    container->SetRightViewVisible(true);
-    container->SetAccessiblityState(
-        HoverHighlightView::AccessibilityState::CHECKED_CHECKBOX);
-  } else {
-    container->SetAccessiblityState(
-        HoverHighlightView::AccessibilityState::UNCHECKED_CHECKBOX);
-  }
-}
-
 }  // namespace
 
 namespace tray {
@@ -302,7 +287,7 @@ HoverHighlightView* AccessibilityDetailedView::AddScrollListItem(
   HoverHighlightView* container = new HoverHighlightView(this);
   gfx::ImageSkia image = CreateVectorIcon(icon, kMenuIconColor);
   container->AddIconAndLabel(image, text);
-  UpdateCheckMark(container, checked);
+  TrayPopupUtils::UpdateCheckMarkVisibility(container, checked);
   scroll_content()->AddChildView(container);
   return container;
 }
@@ -312,9 +297,7 @@ HoverHighlightView* AccessibilityDetailedView::AddScrollListItemWithoutIcon(
     bool checked) {
   HoverHighlightView* container = new HoverHighlightView(this);
   container->AddLabelRow(text);
-
-  UpdateCheckMark(container, checked);
-
+  TrayPopupUtils::UpdateCheckMarkVisibility(container, checked);
   scroll_content()->AddChildView(container);
   return container;
 }