HandleLoadWallpaper  762 chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc   AddCallback("loadWallpaper", &SigninScreenHandler::HandleLoadWallpaper);
HandleLoadWallpaper  351 chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h   void HandleLoadWallpaper(const std::string& email);