Update SVG tests ahead of offset* removal

third_party/WebKit/LayoutTests/resources/check-layout.js

 if (window.testRunner)
     testRunner.dumpAsText();
 
 (function() {
 
 function insertAfter(nodeToAdd, referenceNode)
 {
     if (referenceNode == document.body) {
         document.body.appendChild(nodeToAdd);
         return;
     }
 
     if (referenceNode.nextSibling)
         referenceNode.parentNode.insertBefore(nodeToAdd, referenceNode.nextSibling);
     else
         referenceNode.parentNode.appendChild(nodeToAdd);
 }
 
+function positionedAncestor(node)
+{
+    var ancestor = node.parentNode;
+    while (getComputedStyle(ancestor).position == 'static')
+        ancestor = ancestor.parentNode;
+    return ancestor;
+}
+
 function checkSubtreeExpectedValues(parent, failures)
 {
     var checkedLayout = checkExpectedValues(parent, failures);
     Array.prototype.forEach.call(parent.childNodes, function(node) {
         checkedLayout |= checkSubtreeExpectedValues(node, failures);
     });
     return checkedLayout;
 }
 
 function checkAttribute(output, node, attribute)
@@ skipping 23 matching lines @@
         if (isNaN(expectedOffset) || Math.abs(node.offsetLeft - expectedOffset) >= 1)
             failures.push("Expected " + expectedOffset + " for offsetLeft, but got " + node.offsetLeft + ". ");
     }
 
     var expectedOffset = checkAttribute(output, node, "data-offset-y");
     if (expectedOffset) {
         if (isNaN(expectedOffset) || Math.abs(node.offsetTop - expectedOffset) >= 1)
             failures.push("Expected " + expectedOffset + " for offsetTop, but got " + node.offsetTop + ". ");
     }
 
+    var expectedOffset = checkAttribute(output, node, "data-positioned-offset-x");
+    if (expectedOffset) {
+        var actualOffset = node.getBoundingClientRect().left - positionedAncestor(node).getBoundingClientRect().left;
+        if (isNaN(expectedOffset) || Math.abs(actualOffset - expectedOffset) >= 1)
+            failures.push("Expected " + expectedOffset + " for getBoundingClientRect().left offset, but got " + actualOffset + ". ");
+    }
+
+    var expectedOffset = checkAttribute(output, node, "data-positioned-offset-y");
+    if (expectedOffset) {
+        var actualOffset = node.getBoundingClientRect().top - positionedAncestor(node).getBoundingClientRect().top;
+        if (isNaN(expectedOffset) || Math.abs(actualOffset - expectedOffset) >= 1)
+            failures.push("Expected " + expectedOffset + " for getBoundingClientRect().top offset, but got " + actualOffset + ". ");
+    }
+
     var expectedWidth = checkAttribute(output, node, "data-expected-client-width");
     if (expectedWidth) {
         if (isNaN(expectedWidth) || Math.abs(node.clientWidth - expectedWidth) >= 1)
             failures.push("Expected " + expectedWidth + " for clientWidth, but got " + node.clientWidth + ". ");
     }
 
     var expectedHeight = checkAttribute(output, node, "data-expected-client-height");
     if (expectedHeight) {
         if (isNaN(expectedHeight) || Math.abs(node.clientHeight - expectedHeight) >= 1)
             failures.push("Expected " + expectedHeight + " for clientHeight, but got " + node.clientHeight + ". ");
@@ skipping 148 matching lines @@
         return false;
     }
 
     var pre = document.querySelector('.FAIL');
     if (pre)
         setTimeout(function() { pre.previousSibling.scrollIntoView(); }, 0);
     return result;
 }
 
 })();