Make the TestServer use an absolute document root path.

content/browser/worker_host/test/worker_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/stringprintf.h"
 #include "base/string_util.h"
@@ skipping 436 matching lines @@
   url = GetTestURL("single_shared_worker.html", query);
   NavigateToURL(CreateBrowser(), url);
 
   ASSERT_TRUE(WaitForWorkerProcessCount(max_workers_per_tab + 1));
 }
 
 IN_PROC_BROWSER_TEST_F(WorkerTest, WebSocketSharedWorker) {
   // Launch WebSocket server.
   net::TestServer ws_server(net::TestServer::TYPE_WS,
                             net::TestServer::kLocalhost,
-                            net::GetWebSocketTestDataDirectory());
+                            net::TestServer::GetSourceRelativePath(
+                                net::GetWebSocketTestDataDirectory()));
   ASSERT_TRUE(ws_server.Start());
 
   // Generate test URL.
   std::string scheme("http");
   GURL::Replacements replacements;
   replacements.SetSchemeStr(scheme);
   GURL url = ws_server.GetURL(
       "websocket_shared_worker.html").ReplaceComponents(replacements);
 
   // Run test.
   Shell* window = shell();
   const string16 expected_title = ASCIIToUTF16("OK");
   TitleWatcher title_watcher(window->web_contents(), expected_title);
   NavigateToURL(window, url);
   string16 final_title = title_watcher.WaitAndGetTitle();
   EXPECT_EQ(expected_title, final_title);
 }
 
 }  // namespace content