calls navigationcontroller #cangotooffset int on ui thread . concode_field_sep long WAIT_TIMEOUT_SECONDS concode_field_sep void clearHistoryOnUiThread concode_elem_sep boolean canGoForwardOnUiThread concode_elem_sep String getUrlOnUiThread concode_elem_sep void goBackSync concode_elem_sep boolean canGoBackOnUiThread concode_elem_sep void goForwardSync
boolean function ( Instrumentation arg0 , final WebContents arg1 , final int arg2 ) { return InstrumentationUtils . runOnMainSyncAndGetResult ( arg0 , new Callable < Boolean > ( ) { @ Override public Boolean call ( ) throws Exception { return arg1 . getNavigationController ( ) . canGoToOffset ( arg2 ) ; } } ) ; }