HttpServerProperties - Don't persist if SetServerNetworkStats is called

net/http/http_server_properties_manager_unittest.cc

 // Copyright 2014 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_server_properties_manager.h"
 
 #include "base/basictypes.h"
 #include "base/json/json_writer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_registry_simple.h"
@@ skipping 561 matching lines @@
   ExpectPrefsUpdate();
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   HostPortPair mail_server("mail.google.com", 80);
   const ServerNetworkStats* stats =
       http_server_props_manager_->GetServerNetworkStats(mail_server);
   EXPECT_EQ(NULL, stats);
   ServerNetworkStats stats1;
   stats1.srtt = base::TimeDelta::FromMicroseconds(10);
   http_server_props_manager_->SetServerNetworkStats(mail_server, stats1);
+  // ExpectScheduleUpdatePrefsOnNetworkThread() should be called only once.
+  http_server_props_manager_->SetServerNetworkStats(mail_server, stats1);
 
   // Run the task.
   base::RunLoop().RunUntilIdle();
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
 
   const ServerNetworkStats* stats2 =
       http_server_props_manager_->GetServerNetworkStats(mail_server);
   EXPECT_EQ(10, stats2->srtt.ToInternalValue());
 }
 
@@ skipping 247 matching lines @@
   // Run the task after shutdown, but before deletion.
   base::RunLoop().RunUntilIdle();
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
   http_server_props_manager_.reset();
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace
 
 }  // namespace net