OnWallpaperFetched  112 chrome/browser/chromeos/extensions/wallpaper_api.cc           base::Bind(&WallpaperSetWallpaperFunction::OnWallpaperFetched, this));
OnWallpaperFetched   46 chrome/browser/chromeos/extensions/wallpaper_api.h   void OnWallpaperFetched(bool success, const std::string& response);