Start/stop WebKitThread from BrowserMainLoop like other BrowserThreads.

chrome/browser/browsing_data_local_storage_helper_browsertest.cc

 // Copyright (c) 2011 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 <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/test/thread_test_helper.h"
 #include "chrome/browser/browsing_data_helper_browsertest.h"
 #include "chrome/browser/browsing_data_local_storage_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/browser/in_process_webkit/webkit_context.h"
-#include "content/browser/in_process_webkit/webkit_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
 
 namespace {
 typedef
     BrowsingDataHelperCallback<BrowsingDataLocalStorageHelper::LocalStorageInfo>
         TestCompletionCallback;
 
 const FilePath::CharType kTestFile0[] =
@@ skipping 155 matching lines @@
                  base::Unretained(&callback)));
 
   std::list<BrowsingDataLocalStorageHelper::LocalStorageInfo> result =
       callback.result();
 
   ASSERT_EQ(1u, result.size());
   EXPECT_EQ(FilePath(file).value(),
             result.begin()->file_path.BaseName().value());
 }
 }  // namespace