[cros] Make g_browser_process's call on the UI thread.

chrome/browser/extensions/extension_web_socket_proxy_private_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_WEB_SOCKET_PROXY_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_WEB_SOCKET_PROXY_PRIVATE_API_H_
 #pragma once
 
 #include "base/timer.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "net/base/address_list.h"
 
+class IOThread;
+
 namespace net {
 class SingleRequestHostResolver;
 }
 
 // Base class for web socket proxy functions.
 class WebSocketProxyPrivate
     : public AsyncExtensionFunction, public content::NotificationObserver {
  public:
   WebSocketProxyPrivate();
   virtual ~WebSocketProxyPrivate();
@@ skipping 24 matching lines @@
   std::map<std::string, std::string> map_;
 
  private:
   // Finalizes and sends respond. Overwrite 'CustomFinalize' in inherited
   // classes.
   void Finalize();
 
   // Callback for DNS resolution.
   void OnHostResolution(int result);
 
+  // Posts task to the IO thread, which will make dns resolution.
+  void ResolveHost();
   // Executes on IO thread. Performs DNS resolution.
-  void ResolveHost();
+  void ResolveHostIOPart(IOThread* io_thread);
 
   // Used to signal timeout (when waiting for proxy initial launch).
   base::OneShotTimer<WebSocketProxyPrivate> timer_;
   // Used to register for notifications.
   content::NotificationRegistrar registrar_;
   // Used to cancel host resolution when out of scope.
   scoped_ptr<net::SingleRequestHostResolver> resolver_;
   // Callback which is called when host is resolved.
   bool is_finalized_;
 };
@@ skipping 23 matching lines @@
   virtual ~WebSocketProxyPrivateGetPassportForTCPFunction();
 
  private:
   // WebSocketProxyPrivate implementation:
   virtual void CustomFinalize() OVERRIDE;
 
   DECLARE_EXTENSION_FUNCTION_NAME("webSocketProxyPrivate.getPassportForTCP")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_WEB_SOCKET_PROXY_PRIVATE_API_H_