Clear DNS cache and passive log collected on incognito close.

chrome/browser/io_thread.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 "chrome/browser/io_thread.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/bind.h"
@@ skipping 376 matching lines @@
 
 IOThread::Globals* IOThread::globals() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   return globals_;
 }
 
 ChromeNetLog* IOThread::net_log() {
   return net_log_;
 }
 
+void IOThread::ChangedToOnTheRecord() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  message_loop()->PostTask(
+      FROM_HERE,
+      base::Bind(&IOThread::ChangedToOnTheRecordOnIOThread,
+                 base::Unretained(this)));
+}
+
 net::URLRequestContextGetter* IOThread::system_url_request_context_getter() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!system_url_request_context_getter_) {
     InitSystemRequestContext();
   }
   return system_url_request_context_getter_;
 }
 
 void IOThread::Init() {
   // Though this thread is called the "IO" thread, it actually just routes
@@ skipping 166 matching lines @@
 
   return net::HttpAuthHandlerRegistryFactory::Create(
       supported_schemes,
       globals_->url_security_manager.get(),
       resolver,
       gssapi_library_name_,
       negotiate_disable_cname_lookup_,
       negotiate_enable_port_);
 }
 
+void IOThread::ChangedToOnTheRecordOnIOThread() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+
+  // Clear the host cache to avoid showing entries from the OTR session
+  // in about:net-internals.
+  ClearHostCache();
+
+  // Clear all of the passively logged data.
+  // TODO(eroman): this is a bit heavy handed, really all we need to do is
+  //               clear the data pertaining to incognito context.
+  net_log_->ClearAllPassivelyCapturedEvents();
+}
+
 void IOThread::ClearHostCache() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   net::HostCache* host_cache = globals_->host_resolver->GetHostCache();
   if (host_cache)
     host_cache->clear();
 }
 
 MessageLoop* IOThread::message_loop() const {
   return BrowserThread::UnsafeGetBrowserThread(
@@ skipping 54 matching lines @@
   system_params.network_delegate = globals_->system_network_delegate.get();
   system_params.net_log = net_log_;
   globals_->system_http_transaction_factory.reset(
       new net::HttpNetworkLayer(
           new net::HttpNetworkSession(system_params)));
   globals_->system_ftp_transaction_factory.reset(
       new net::FtpNetworkLayer(globals_->host_resolver.get()));
   globals_->system_request_context =
       ConstructSystemRequestContext(globals_, net_log_);
 }