OpenSetWallpaperPage 28 ash/default_user_wallpaper_delegate.h virtual void OpenSetWallpaperPage() OVERRIDE; OpenSetWallpaperPage 45 ash/desktop_background/user_wallpaper_delegate.h virtual void OpenSetWallpaperPage() = 0; OpenSetWallpaperPage 326 chrome/browser/ui/ash/launcher/launcher_context_menu.cc OpenSetWallpaperPage();