Fix testharness paths in imported/wpt/* except dom and html.

third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/events/retargeting-relatedtarget/test-001.html

Index: third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/events/retargeting-relatedtarget/test-001.html
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/events/retargeting-relatedtarget/test-001.html b/third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/events/retargeting-relatedtarget/test-001.html
index 641f25172a438019dba4b8c45fb3963940901bce..c0173959f73cd132e40b9f078fd12741a0f062c1 100644
--- a/third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/events/retargeting-relatedtarget/test-001.html
+++ b/third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/events/retargeting-relatedtarget/test-001.html
@@ -14,8 +14,8 @@ policies and contribution forms [3].
 <link rel="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru">
 <link rel="help" href="http://www.w3.org/TR/2013/WD-shadow-dom-201305214#retargeting-related-target">
 <meta name="assert" content="Retargeting relatedTarget:Event retargeting is a process of computing relative targets for each ancestor of the node at which the event is dispatched. A relative target is a DOM node that most accurately represents the target of a dispatched event at a given ancestor while maintaining the upper boundary encapsulation.">
-<script src="../../../../../../resources/testharness.js"></script>
-<script src="../../../../../../resources/testharnessreport.js"></script>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
 <script src="../../../../html/resources/common.js"></script>
 <script src="../../../resources/shadow-dom-utils.js"></script>
 </head>