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

third_party/WebKit/LayoutTests/fast/dom/Geolocation/script-tests/delayed-permission-allowed.js

 description("Tests that when a position is available, no callbacks are invoked until permission is allowed.");
 
-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.setGeolocationPosition(document, 51.478, -0.166, 100);
+geolocationServiceMock.then(mock => {
+    mock.setGeolocationPosition(51.478, -0.166, 100);
 
-var permissionSet = false;
+    var permissionSet = false;
 
-function allowPermission() {
-    permissionSet = true;
-    internals.setGeolocationPermission(document, true);
-}
+    function allowPermission() {
+        permissionSet = true;
+        mock.setGeolocationPermission(true);
+    }
 
-navigator.geolocation.getCurrentPosition(function() {
-    if (permissionSet) {
-        testPassed('Success callback invoked');
+    navigator.geolocation.getCurrentPosition(function() {
+        if (permissionSet) {
+            testPassed('Success callback invoked');
+            finishJSTest();
+            return;
+        }
+        testFailed('Success callback invoked unexpectedly');
         finishJSTest();
-        return;
-    }
-    testFailed('Success callback invoked unexpectedly');
-    finishJSTest();
-}, function() {
-    testFailed('Error callback invoked unexpectedly');
-    finishJSTest();
+    }, function() {
+        testFailed('Error callback invoked unexpectedly');
+        finishJSTest();
+    });
+    window.setTimeout(allowPermission, 100);
 });
-window.setTimeout(allowPermission, 100);
 
 window.jsTestIsAsync = true;