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

third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/user-interaction/focus-navigation/test-002.html

Index: third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/user-interaction/focus-navigation/test-002.html
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/user-interaction/focus-navigation/test-002.html b/third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/user-interaction/focus-navigation/test-002.html
index aa325f57928abf7ed9aaf1d2698e332df8cca553..537e88122d51827cb6c604557efc07f863d740f4 100644
--- a/third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/user-interaction/focus-navigation/test-002.html
+++ b/third_party/WebKit/LayoutTests/imported/wpt/shadow-dom/untriaged/user-interaction/focus-navigation/test-002.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-20130514/#focus-navigation">
 <meta name="assert" content="User Interaction: The navigation order within a shadow tree must be computed as a list of focusable elements in tree order as-rendered  with the exception of any elements, distributed its insertion points, and is called shadow DOM navigation order.">
-<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>