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

third_party/WebKit/LayoutTests/imported/wpt/hr-time/basic.html

Index: third_party/WebKit/LayoutTests/imported/wpt/hr-time/basic.html
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/hr-time/basic.html b/third_party/WebKit/LayoutTests/imported/wpt/hr-time/basic.html
index 1ba4202def703cc3aa0c7bb1cd6a0ef47d354576..cc26d242f9624d6569668b99cca4c8f278dac849 100644
--- a/third_party/WebKit/LayoutTests/imported/wpt/hr-time/basic.html
+++ b/third_party/WebKit/LayoutTests/imported/wpt/hr-time/basic.html
@@ -5,8 +5,8 @@
 <title>window.performance.now exists</title>
 <link rel="author" title="W3C" href="http://www.w3.org/" />
 <link rel="help" href="http://www.w3.org/TR/hr-time/#sec-extenstions-performance-interface"/>
-<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>
 test(function() {
   assert_equals(typeof window.performance, "object");