Change value type of timeout and maximumAge in PositionOptions

LayoutTests/fast/dom/Geolocation/script-tests/timeout-negative.js

-description("Tests that when timeout is zero (and maximumAge is too), the error callback is called immediately with code TIMEOUT.");
+description("Tests that when timeout is negative (and maximumAge is too), the error callback is called immediately with code TIMEOUT.");
 
 if (!window.testRunner || !window.internals)
     debug('This test can not run without testRunner or internals');
 
 internals.setGeolocationClientMock(document);
 internals.setGeolocationPosition(document, 51.478, -0.166, 100.0);
 
 var error;
 navigator.geolocation.getCurrentPosition(function(p) {
     testFailed('Success callback invoked unexpectedly');
     finishJSTest();
 }, function(e) {
     error = e;
     shouldBe('error.code', 'error.TIMEOUT');
     shouldBe('error.message', '"Timeout expired"');
     finishJSTest();
 }, {
-    timeout: 0
+    timeout: -1000
 });
 
 window.jsTestIsAsync = true;
+