- Electron version: v1.2.2
- Operating system: OS X El Capitan 10.11.5

When `<webview>.isAudioMuted() === true` [Notifications](https://developer.mozilla.org/de/docs/Web/API/notification) from the Webview still make sounds.

atom/browser/atom_browser_client.h
const GURL& target_url,
                       const content::Referrer& referrer,
                       WindowOpenDisposition disposition,
                       const blink::WebWindowFeatures& features,
                       bool user_gesture,
                       bool opener_suppressed,
                       content::ResourceContext* context,
                       int render_process_id,
                       int opener_render_view_id,
                       int opener_render_frame_id,
                       bool* no_javascript_access) override;
  
  brightray::BrowserMainParts* OverrideCreateBrowserMainParts(
      const content::MainFunctionParams&) override;
  void WebNotificationAllowed(
      int render_process_id,
      const base::Callback<void(bool)>& callback) override;
  
  void RenderProcessHostDestroyed(content::RenderProcessHost* host) override;
 private:
  
  std::map<int, int> pending_processes_;
  std::unique_ptr<AtomResourceDispatcherHostDelegate>
      resource_dispatcher_host_delegate_;
  Delegate* delegate_;
  DISALLOW_COPY_AND_ASSIGN(AtomBrowserClient);
};
}  
#endif