TrayBackground    239 ash/system/tray/tray_background_view.cc   DISALLOW_COPY_AND_ASSIGN(TrayBackground);
TrayBackground    425 ash/system/tray/tray_background_view.cc   background_ = new TrayBackground(this);
TrayBackground     18 ash/system/tray/tray_background_view.h class TrayBackground;
TrayBackground    165 ash/system/tray/tray_background_view.h   TrayBackground* background_;