Clear DNS cache and passive log collected on incognito close.

chrome/browser/io_thread.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_IO_THREAD_H_
 #define CHROME_BROWSER_IO_THREAD_H_
 #pragma once
 
 #include <string>
 
@@ skipping 99 matching lines @@
            ChromeNetLog* net_log,
            ExtensionEventRouterForwarder* extension_event_router_forwarder);
 
   virtual ~IOThread();
 
   // Can only be called on the IO thread.
   Globals* globals();
 
   ChromeNetLog* net_log();
 
+  // Handles changing to On The Record mode, discarding confidential data.
+  void ChangedToOnTheRecord();
+
   // Returns a getter for the URLRequestContext.  Only called on the UI thread.
   net::URLRequestContextGetter* system_url_request_context_getter();
 
+  void ChangedToOnTheRecordOnIOThread();

[eroman, 2011/12/05 21:10:49]

Can this be private?

[mmenke, 2011/12/05 22:28:00]

Done.

+
   // Clears the host cache.  Intended to be used to prevent exposing recently
   // visited sites on about:net-internals/#dns and about:dns pages.  Must be
   // called on the IO thread.
   void ClearHostCache();
 
   // Convenience method similar to base::Thread, giving access to the
   // actual IO thread.
   // TODO(joi): Remove this in follow-up changes.
   MessageLoop* message_loop() const;
 
@@ skipping 72 matching lines @@
       system_url_request_context_getter_;
 
   net::SdchManager* sdch_manager_;
 
   base::WeakPtrFactory<IOThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IOThread);
 };
 
 #endif  // CHROME_BROWSER_IO_THREAD_H_