AppCache: Use a dedicated thread for the disk cache.

webkit/tools/test_shell/simple_resource_loader_bridge.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef WEBKIT_TOOLS_TEST_SHELL_SIMPLE_RESOURCE_LOADER_BRIDGE_H__
 #define WEBKIT_TOOLS_TEST_SHELL_SIMPLE_RESOURCE_LOADER_BRIDGE_H__
 
 #include <string>
+#include "base/message_loop_proxy.h"
 #include "base/file_path.h"
 #include "net/http/http_cache.h"
 
 class GURL;
 class TestShellRequestContext;
 
 class SimpleResourceLoaderBridge {
  public:
   // Call this function to initialize the simple resource loader bridge.
   // It is safe to call this function multiple times.
   //
   // NOTE: If this function is not called, then a default request context will
   // be initialized lazily.
   //
   static void Init(const FilePath& cache_path,
                    net::HttpCache::Mode cache_mode,
                    bool no_proxy);
 
   // Call this function to shutdown the simple resource loader bridge.
   static void Shutdown();
 
   // May only be called after Init.
   static void SetCookie(const GURL& url,
                         const GURL& first_party_for_cookies,
                         const std::string& cookie);
   static std::string GetCookies(const GURL& url,
                                 const GURL& first_party_for_cookies);
   static bool EnsureIOThread();
   static void SetAcceptAllCookies(bool accept_all_cookies);
+
+  // This method should only be called after Init(), and before Shutdown().
+  static scoped_refptr<base::MessageLoopProxy> GetCacheThread();
 };
 
 #endif  // WEBKIT_TOOLS_TEST_SHELL_SIMPLE_RESOURCE_LOADER_BRIDGE_H__