WallpaperPrivateSetCustomWallpaperFunction 513 chrome/browser/chromeos/extensions/wallpaper_private_api.cc WallpaperPrivateSetCustomWallpaperFunction() {} WallpaperPrivateSetCustomWallpaperFunction 516 chrome/browser/chromeos/extensions/wallpaper_private_api.cc ~WallpaperPrivateSetCustomWallpaperFunction() {}