Fix crash on IP address change.

net/http/http_cache.cc

 // Copyright (c) 2010 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 "net/http/http_cache.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 
@@ skipping 353 matching lines @@
   MetadataWriter* writer = new MetadataWriter(trans);
 
   // The writer will self destruct when done.
   writer->Write(url, expected_response_time, buf, buf_len);
 }
 
 void HttpCache::CloseCurrentConnections() {
   net::HttpNetworkLayer* network =
       static_cast<net::HttpNetworkLayer*>(network_layer_.get());
   HttpNetworkSession* session = network->GetSession();
-  if (session)
-    session->Flush();
+  if (session) {
+    session->tcp_socket_pool()->CloseIdleSockets();
+    if (session->spdy_session_pool())
+      session->spdy_session_pool()->CloseAllSessions();
+    session->ReplaceTCPSocketPool();
+  }
 }
 
 //-----------------------------------------------------------------------------
 
 // Generate a key that can be used inside the cache.
 std::string HttpCache::GenerateCacheKey(const HttpRequestInfo* request) {
   // Strip out the reference, username, and password sections of the URL.
   std::string url = HttpUtil::SpecForRequest(request->url);
 
   DCHECK(mode_ != DISABLE);
@@ skipping 512 matching lines @@
         item->NotifyTransaction(ERR_CACHE_RACE, NULL);
         fail_requests = true;
       } else {
         item->NotifyTransaction(result, entry);
       }
     }
   }
 }
 
 }  // namespace net