Reuse the code within UpdateCheckMark()

ash/common/system/chromeos/palette/common_palette_tool.cc

Index: ash/common/system/chromeos/palette/common_palette_tool.cc
diff --git a/ash/common/system/chromeos/palette/common_palette_tool.cc b/ash/common/system/chromeos/palette/common_palette_tool.cc
index b8a049304877eb42f6ab14c345e88f66f0480563..34b8c96ffa5805fd957cea1c934b1a9aa669411d 100644
--- a/ash/common/system/chromeos/palette/common_palette_tool.cc
+++ b/ash/common/system/chromeos/palette/common_palette_tool.cc
@@ -9,6 +9,7 @@
 #include "ash/common/system/chromeos/palette/palette_tool_manager.h"
 #include "ash/common/system/tray/hover_highlight_view.h"
 #include "ash/common/system/tray/tray_constants.h"
+#include "ash/common/system/tray/tray_popup_utils.h"
 #include "ash/common/system/tray/view_click_listener.h"
 #include "ash/resources/grit/ash_resources.h"
 #include "ash/resources/vector_icons/vector_icons.h"
@@ -85,23 +86,13 @@ void CommonPaletteTool::OnViewClicked(views::View* sender) {
 views::View* CommonPaletteTool::CreateDefaultView(const base::string16& name) {
   gfx::ImageSkia icon =
       CreateVectorIcon(GetPaletteIcon(), kMenuIconSize, gfx::kChromeIconGrey);
-  gfx::ImageSkia check =
-      CreateVectorIcon(kCheckCircleIcon, kMenuIconSize, gfx::kGoogleGreen700);
 
   highlight_view_ = new HoverHighlightView(this);
   highlight_view_->SetBorder(views::CreateEmptyBorder(0, 0, 0, 0));
   highlight_view_->AddIconAndLabel(icon, name);
-  highlight_view_->AddRightIcon(check, kMenuIconSize);
   highlight_view_->set_custom_height(kMenuButtonSize);
 
-  if (enabled()) {
-    highlight_view_->SetAccessiblityState(
-        HoverHighlightView::AccessibilityState::CHECKED_CHECKBOX);
-  } else {
-    highlight_view_->SetRightViewVisible(false);
-    highlight_view_->SetAccessiblityState(
-        HoverHighlightView::AccessibilityState::UNCHECKED_CHECKBOX);
-  }
+  TrayPopupUtils::UpdateCheckMarkVisibility(highlight_view_, enabled());
 
   return highlight_view_;
 }