Convert most geolocation layout tests to use a JS mock implementation.

third_party/WebKit/LayoutTests/fast/dom/Geolocation/script-tests/multiple-requests.js

 description("Tests that Geolocation correctly handles multiple concurrent requests.");
 
 var mockLatitude = 51.478;
 var mockLongitude = -0.166;
 var mockAccuracy = 100;
 
-if (!window.testRunner || !window.internals)
-    debug('This test can not run without testRunner or internals');
+if (!window.testRunner || !window.mojo)
+    debug('This test can not run without testRunner or mojo');
 
-internals.setGeolocationClientMock(document);
-internals.setGeolocationPermission(document, true);
-internals.setGeolocationPosition(document, mockLatitude, mockLongitude, mockAccuracy);
-
+var position;
 var watchCallbackInvoked = false;
 var oneShotCallbackInvoked = false;
 
-navigator.geolocation.watchPosition(function(p) {
-    shouldBeFalse('watchCallbackInvoked');
-    watchCallbackInvoked = true;
-    maybeFinishTest(p);
-}, function() {
-    testFailed('Error callback invoked unexpectedly');
-    finishJSTest();
+geolocationServiceMock.then(mock => {
+    mock.setGeolocationPermission(true);
+    mock.setGeolocationPosition(mockLatitude, mockLongitude, mockAccuracy);
+
+    navigator.geolocation.watchPosition(function(p) {
+        shouldBeFalse('watchCallbackInvoked');
+        watchCallbackInvoked = true;
+        maybeFinishTest(p);
+    }, function() {
+        testFailed('Error callback invoked unexpectedly');
+        finishJSTest();
+    });
+
+    navigator.geolocation.getCurrentPosition(function(p) {
+        shouldBeFalse('oneShotCallbackInvoked');
+        oneShotCallbackInvoked = true;
+        maybeFinishTest(p);
+    }, function() {
+        testFailed('Error callback invoked unexpectedly');
+        finishJSTest();
+    });
+
+    function maybeFinishTest(p) {
+        position = p;
+        shouldBe('position.coords.latitude', 'mockLatitude');
+        shouldBe('position.coords.longitude', 'mockLongitude');
+        shouldBe('position.coords.accuracy', 'mockAccuracy');
+        if (watchCallbackInvoked && oneShotCallbackInvoked)
+            finishJSTest();
+    }
 });
 
-navigator.geolocation.getCurrentPosition(function(p) {
-    shouldBeFalse('oneShotCallbackInvoked');
-    oneShotCallbackInvoked = true;
-    maybeFinishTest(p);
-}, function() {
-    testFailed('Error callback invoked unexpectedly');
-    finishJSTest();
-});
-
-var position;
-function maybeFinishTest(p) {
-    position = p;
-    shouldBe('position.coords.latitude', 'mockLatitude');
-    shouldBe('position.coords.longitude', 'mockLongitude');
-    shouldBe('position.coords.accuracy', 'mockAccuracy');
-    if (watchCallbackInvoked && oneShotCallbackInvoked)
-        finishJSTest();
-}
-
 window.jsTestIsAsync = true;