- Electron version: 1.3.7
- Operating system: Mac OS and Windows 10

Steps:
- run a CPU profile from dev tools
- stop it (you get some output)
- save the file

=> the resulting file has 0KB

I cannot reproduce in Chrome 53, but I can reproduce in a bare electron app.

atom/browser/atom_browser_client.cc
*base::CommandLine::ForCurrentProcess(),
      kCommonSwitchNames, arraysize(kCommonSwitchNames));
  
  if (!g_custom_service_worker_schemes.empty())
    command_line->AppendSwitchASCII(switches::kRegisterServiceWorkerSchemes,
                                    g_custom_service_worker_schemes);
#if defined(OS_WIN)
  
  PWSTR current_app_id;
  if (SUCCEEDED(GetCurrentProcessExplicitAppUserModelID(&current_app_id))) {
    command_line->AppendSwitchNative(switches::kAppUserModelId, current_app_id);
    CoTaskMemFree(current_app_id);
  }
#endif
  content::WebContents* web_contents = GetWebContentsFromProcessID(process_id);
  if (!web_contents)
    return;
  WebContentsPreferences::AppendExtraCommandLineSwitches(
      web_contents, command_line);
}
void AtomBrowserClient::DidCreatePpapiPlugin(
    content::BrowserPpapiHost* host) {
  host->GetPpapiHost()->AddHostFactoryFilter(
      base::WrapUnique(new chrome::ChromeBrowserPepperHostFactory(host)));
}
content::QuotaPermissionContext*
    AtomBrowserClient::CreateQuotaPermissionContext() {
  return new AtomQuotaPermissionContext;
}
void AtomBrowserClient::AllowCertificateError(