Add chrome::DIR_LAYOUT_TESTS to PathService::Get

chrome/browser/extensions/extension_websocket_apitest.cc

Index: chrome/browser/extensions/extension_websocket_apitest.cc
diff --git a/chrome/browser/extensions/extension_websocket_apitest.cc b/chrome/browser/extensions/extension_websocket_apitest.cc
index a617d04ffa3187220e80f9ad75d4af692b1fdc65..469d059ef84b5d30f1aa2cac5262d07898a0db87 100644
--- a/chrome/browser/extensions/extension_websocket_apitest.cc
+++ b/chrome/browser/extensions/extension_websocket_apitest.cc
@@ -11,9 +11,8 @@
 // Disabled, http://crbug.com/91058.
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, DISABLED_WebSocket) {
   FilePath websocket_root_dir;
-  PathService::Get(chrome::DIR_TEST_DATA, &websocket_root_dir);
-  websocket_root_dir = websocket_root_dir.AppendASCII("layout_tests")
-      .AppendASCII("LayoutTests");
+  ASSERT_TRUE(PathService::Get(chrome::DIR_LAYOUT_TESTS, &websocket_root_dir));
+
   ui_test_utils::TestWebSocketServer server;
   ASSERT_TRUE(server.Start(websocket_root_dir));
   ASSERT_TRUE(RunExtensionTest("websocket")) << message_;