1. @DomName('History.pushState')
  2. @DocsEditable()
  3. @SupportedBrowser(SupportedBrowser.CHROME)
  4. @SupportedBrowser(SupportedBrowser.FIREFOX)
  5. @SupportedBrowser(SupportedBrowser.IE, '10')
  6. @SupportedBrowser(SupportedBrowser.SAFARI)
void pushState(data, String title, String url)

Source 

@DomName('History.pushState')
@DocsEditable()
@SupportedBrowser(SupportedBrowser.CHROME)
@SupportedBrowser(SupportedBrowser.FIREFOX)
@SupportedBrowser(SupportedBrowser.IE, '10')
@SupportedBrowser(SupportedBrowser.SAFARI)
void pushState(/*SerializedScriptValue*/ data, String title, String url) =>
    _blink.BlinkHistory.instance.pushState_Callback_3_(
        this, convertDartToNative_SerializedScriptValue(data), title, url);