The `--disable-renderer-backgrounding` command line switch only disables throttling for timers, there is currently no way to disable throttling of `requestAnimationFrame`.

Refs https://github.com/atom/electron/issues/4317#issuecomment-190990964.

atom/browser/api/atom_api_web_contents.h
void DidGetRedirectForResourceRequest(
      content::RenderFrameHost* render_frame_host,
      const content::ResourceRedirectDetails& details) override;
  void DidNavigateMainFrame(
      const content::LoadCommittedDetails& details,
      const content::FrameNavigateParams& params) override;
  bool OnMessageReceived(const IPC::Message& message) override;
  void WebContentsDestroyed() override;
  void NavigationEntryCommitted(
      const content::LoadCommittedDetails& load_details) override;
  void TitleWasSet(content::NavigationEntry* entry, bool explicit_set) override;
  void DidUpdateFaviconURL(
      const std::vector<content::FaviconURL>& urls) override;
  void PluginCrashed(const base::FilePath& plugin_path,
                     base::ProcessId plugin_pid) override;
  void MediaStartedPlaying(const MediaPlayerId& id) override;
  void MediaStoppedPlaying(const MediaPlayerId& id) override;
  void DidChangeThemeColor(SkColor theme_color) override;
  
  void DevToolsFocused() override;
  void DevToolsOpened() override;
  void DevToolsClosed() override;
 private:
  enum Type {
    BROWSER_WINDOW,  
    WEB_VIEW,  
    REMOTE,  
  };
  AtomBrowserContext* GetBrowserContext() const;
  uint32_t GetNextRequestId() {