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 377 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));
+  BrowserThread::PostTask(
+      BrowserThread::IO,
+      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 178 matching lines @@
 
   net::HostCache* host_cache = globals_->host_resolver->GetHostCache();
   if (host_cache)
     host_cache->clear();
 }
 
 net::SSLConfigService* IOThread::GetSSLConfigService() {
   return ssl_config_service_manager_->Get();
 }
 
+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::InitSystemRequestContext() {
   if (system_url_request_context_getter_)
     return;
   // If we're in unit_tests, IOThread may not be run.
   if (!BrowserThread::IsMessageLoopValid(BrowserThread::IO))
     return;
   ChromeProxyConfigService* proxy_config_service =
       ProxyServiceFactory::CreateProxyConfigService();
   system_proxy_config_service_.reset(proxy_config_service);
   if (pref_proxy_config_tracker_.get()) {
@@ skipping 39 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_);
 }