Update SVG tests ahead of offset* removal

third_party/WebKit/LayoutTests/fast/dom/shadow/resources/event-dispatching.js

 var defaultPaddingSize = 40;
 
 function moveMouseOver(element)
 {
     if (!window.eventSender || !window.internals)
         return;
 
-    var x = element.offsetLeft + element.offsetWidth / 2;
+    var rect = element.getBoundingClientRect();
+    var x = rect.left + rect.width / 2;
     var y;
     if (element.hasChildNodes() || window.internals.shadowRoot(element))
-        y = element.offsetTop + defaultPaddingSize / 2;
+        y = rect.top + defaultPaddingSize / 2;
     else
-        y = element.offsetTop + element.offsetHeight / 2;
+        y = rect.top + rect.height / 2;
     eventSender.mouseMoveTo(x, y);
 }
 
 function touchLocation(node)
 {
-    var x = node.offsetLeft + 5;
-    var y = node.offsetTop + defaultPaddingSize + 5;
+    var rect = node.getBoundingClientRect();
+    var x = rect.left + 5;
+    var y = rect.top + defaultPaddingSize + 5;
     eventSender.addTouchPoint(x, y);
     eventSender.touchStart();
     eventSender.leapForward(100);
     eventSender.touchEnd();
     eventSender.cancelTouchPoint(0);
 }
 
 function selectTextNode(node)
 {
     getSelection().setBaseAndExtent(node, 0, node, node.length);
 }
 
-function dragMouse(node) {
-    var x = node.offsetLeft + 5;
-    var y = node.offsetTop + defaultPaddingSize + 5;
+function dragMouse(node)
+{
+    var rect = node.getBoundingClientRect();
+    var x = rect.left + 5;
+    var y = rect.top + defaultPaddingSize + 5;
 
     eventSender.mouseMoveTo(x, y);
     eventSender.mouseDown();
     eventSender.leapForward(100);
     eventSender.mouseMoveTo(x + 100, y + 100);
     eventSender.mouseUp();
     eventSender.mouseMoveTo(x, y);
 }
 
-function scrollMouseWheel(node) {
-    var x = node.offsetLeft + 5;
-    var y = node.offsetTop + defaultPaddingSize + 5;
+function scrollMouseWheel(node)
+{
+    var rect = node.getBoundingClientRect();
+    var x = rect.left + 5;
+    var y = rect.top + defaultPaddingSize + 5;
     eventSender.mouseMoveTo(x, y);
     eventSender.mouseScrollBy(0, 120);
 }
 
 var eventRecords = {};
 
 function clearEventRecords()
 {
     eventRecords = {};
 }
@@ skipping 111 matching lines @@
     debug('\n' + 'Click ' + elementId);
     var clickEvent = document.createEvent("MouseEvents");
     clickEvent.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
     getNodeInComposedTree(elementId).dispatchEvent(clickEvent);
     debugDispatchedEvent('click');
 }
 
 function showSandboxTree()
 {
     var sandbox = document.getElementById('sandbox');
-    sandbox.offsetLeft;
+    sandbox.clientLeft;
     debug('\n\nFlat Tree will be:\n' + dumpFlatTree(sandbox));
 }