Convert LayoutTests/svg/text/* js-tests.js tests to testharness.js based tests.

third_party/WebKit/LayoutTests/svg/text/resources/SelectionTestCase.js

 if (!window.eventSender || !window.testRunner) {
     alert('This test needs to be run in DRT, to get results!');
 }
 
 var svgRoot = 0;
 
 // Map 'point' into absolute coordinates, usable for eventSender
 function transformPoint(point, matrix) {
     return point.matrixTransform(matrix);
 }
@@ skipping 127 matching lines @@
   if (window.eventSender) {
     eventSender.mouseMoveTo(absStartPos.x, absStartPos.y);
     eventSender.mouseDown();
     eventSender.mouseMoveTo(mouse.x, mouse.y);
     eventSender.mouseUp();
   }
 
   selection = window.getSelection();
   startElementId = selection.anchorNode.parentElement.id;
   endElementId = selection.focusNode.parentElement.id;
-  shouldBeEqualToString("startElementId", expected.startElementId);
-  shouldBe("selection.anchorOffset", expected.start);
-  shouldBeEqualToString("endElementId", expected.endElementId);
-  shouldBe("selection.focusOffset", expected.end);
+  // TODO(shanmuga.m): It'd be preferable to have the assertions in the actual test-files.
+  assert_equals(startElementId, expected.startElementId);
+  assert_equals(selection.anchorOffset, expected.start);
+  assert_equals(endElementId, expected.endElementId);
+  assert_equals(selection.focusOffset, expected.end);
   if (window.eventSender) {
     eventSender.mouseMoveTo(0,0);
     eventSender.mouseDown();
     eventSender.mouseUp();
   }
 }
+
+function getEndPosition(id, offset, gap) {
+  var element = document.getElementById(id);
+  var endPos = element.getEndPositionOfChar(offset);
+  endPos.x += gap.x;
+  endPos.y += gap.y;
+  var absEndPos = toAbsoluteCoordinates(endPos, element);
+  return absEndPos;
+}