Make the TestServer use an absolute document root path.

chrome/test/perf/mach_ports_test.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 <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/string_util.h"
 #include "chrome/common/automation_constants.h"
 #include "chrome/common/automation_messages.h"
 #include "chrome/test/automation/automation_proxy.h"
 #include "chrome/test/automation/browser_proxy.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/perf/perf_test.h"
 #include "chrome/test/ui/ui_perf_test.h"
 #include "net/test/test_server.h"
 
 namespace {
 
 // This test spawns a new browser and counts the number of open Mach ports in
 // the browser process. It navigates tabs and closes them, repeatedly measuring
 // the number of open ports. This is used to protect against leaking Mach ports,
 // which was the source of <http://crbug.com/105513>.
 class MachPortsTest : public UIPerfTest {
  public:
   MachPortsTest()
       : server_(net::TestServer::TYPE_HTTP,
                 net::TestServer::kLocalhost,
-                FilePath(FILE_PATH_LITERAL("data/mach_ports/moz"))) {
+                net::TestServer::GetSourceRelativePath(
+                    FilePath(FILE_PATH_LITERAL("data/mach_ports/moz")))) {
   }
 
   virtual void SetUp() OVERRIDE {
     UIPerfTest::SetUp();
 
     ASSERT_TRUE(server_.Start());
   }
 
   virtual void TearDown() OVERRIDE {
     std::string ports;
@@ skipping 53 matching lines @@
   for (int i = 0; i < tab_count - 1; ++i) {
     scoped_refptr<TabProxy> tab(browser->GetActiveTab());
     ASSERT_TRUE(tab.get());
 
     EXPECT_TRUE(tab->Close(true));
     RecordPortCount();
   }
 }
 
 }  // namespace