Stop using script-tests in fast/dom/.

third_party/WebKit/LayoutTests/fast/dom/Geolocation/script-tests/position-string.js

-description("Tests formatting of position.toString().");
-
-var mockLatitude = 51.478;
-var mockLongitude = -0.166;
-var mockAccuracy = 100.0;
-
-var position;
-
-geolocationServiceMock.then(mock => {
-    mock.setGeolocationPermission(true);
-    mock.setGeolocationPosition(mockLatitude,
-                                mockLongitude,
-                                mockAccuracy);
-
-    navigator.geolocation.getCurrentPosition(function(p) {
-        // shouldBe can't use local variables yet.
-        position = p;
-        shouldBe('position.coords.latitude', 'mockLatitude');
-        shouldBe('position.coords.longitude', 'mockLongitude');
-        shouldBe('position.coords.accuracy', 'mockAccuracy');
-        shouldBe('position.toString()', '"[object Geoposition]"');
-        shouldBe('position.coords.toString()', '"[object Coordinates]"');
-        finishJSTest();
-    }, function(e) {
-        testFailed('Error callback invoked unexpectedly');
-        finishJSTest();
-    });
-});
-
-window.jsTestIsAsync = true;