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

third_party/WebKit/LayoutTests/fast/dom/Geolocation/script-tests/reentrant-success.js

 description("Tests that reentrant calls to Geolocation methods from the success callback are OK.");
 
 var mockLatitude = 51.478;
 var mockLongitude = -0.166;
 var mockAccuracy = 100.0;
 
-if (!window.testRunner || !window.internals)
-    debug('This test can not run without testRunner or internals');
-
-internals.setGeolocationClientMock(document);
-internals.setGeolocationPermission(document, true);
-internals.setGeolocationPosition(document,
-                                 mockLatitude,
-                                 mockLongitude,
-                                 mockAccuracy);
+if (!window.testRunner || !window.mojo)
+    debug('This test can not run without testRunner or mojo');
 
 var position;
-var successCallbackInvoked = false;
-navigator.geolocation.getCurrentPosition(function(p) {
-    if (successCallbackInvoked) {
-        testFailed('Success callback invoked unexpectedly');
-        finishJSTest();
-    }
-    successCallbackInvoked = true;
 
-    position = p;
-    shouldBe('position.coords.latitude', 'mockLatitude');
-    shouldBe('position.coords.longitude', 'mockLongitude');
-    shouldBe('position.coords.accuracy', 'mockAccuracy');
-    debug('');
-    continueTest();
-}, function(e) {
-    testFailed('Error callback invoked unexpectedly');
-    finishJSTest();
-});
+geolocationServiceMock.then(mock => {
+    mock.setGeolocationPermission(true);
+    mock.setGeolocationPosition(mockLatitude,
+                                mockLongitude,
+                                mockAccuracy);
 
-function continueTest() {
-    internals.setGeolocationPosition(document,
-                                     ++mockLatitude,
-                                     ++mockLongitude,
-                                     ++mockAccuracy);
+    var successCallbackInvoked = false;
+    navigator.geolocation.getCurrentPosition(function(p) {
+        if (successCallbackInvoked) {
+            testFailed('Success callback invoked unexpectedly');
+            finishJSTest();
+        }
+        successCallbackInvoked = true;
 
-    navigator.geolocation.getCurrentPosition(function(p) {
         position = p;
         shouldBe('position.coords.latitude', 'mockLatitude');
         shouldBe('position.coords.longitude', 'mockLongitude');
         shouldBe('position.coords.accuracy', 'mockAccuracy');
-        finishJSTest();
+        debug('');
+        continueTest();
     }, function(e) {
         testFailed('Error callback invoked unexpectedly');
         finishJSTest();
     });
-}
+
+    function continueTest() {
+        mock.setGeolocationPosition(++mockLatitude,
+                                    ++mockLongitude,
+                                    ++mockAccuracy);
+
+        navigator.geolocation.getCurrentPosition(function(p) {
+            position = p;
+            shouldBe('position.coords.latitude', 'mockLatitude');
+            shouldBe('position.coords.longitude', 'mockLongitude');
+            shouldBe('position.coords.accuracy', 'mockAccuracy');
+            finishJSTest();
+        }, function(e) {
+            testFailed('Error callback invoked unexpectedly');
+            finishJSTest();
+        });
+    }
+});
 
 window.jsTestIsAsync = true;