HttpServerProperties - Don't persist if ClearAlternativeService is

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 508 matching lines @@
   // Run the task.
   base::RunLoop().RunUntilIdle();
   Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
 
   alternative_service =
       http_server_props_manager_->GetAlternativeService(spdy_server_mail);
   EXPECT_EQ(443, alternative_service.port);
   EXPECT_EQ(NPN_SPDY_4, alternative_service.protocol);
 }
 
+TEST_F(HttpServerPropertiesManagerTest, ClearAlternativeService) {
+  ExpectPrefsUpdate();
+  ExpectScheduleUpdatePrefsOnNetworkThread();
+
+  HostPortPair spdy_server_mail("mail.google.com", 80);
+  EXPECT_FALSE(HasAlternativeService(spdy_server_mail));
+  AlternativeService alternative_service(NPN_SPDY_4, "mail.google.com", 443);
+  http_server_props_manager_->SetAlternativeService(spdy_server_mail,
+                                                    alternative_service, 1.0);
+  ExpectScheduleUpdatePrefsOnNetworkThread();
+  http_server_props_manager_->ClearAlternativeService(spdy_server_mail);
+  // ExpectScheduleUpdatePrefsOnNetworkThread() should be called only once.
+  http_server_props_manager_->ClearAlternativeService(spdy_server_mail);
+
+  // Run the task.
+  base::RunLoop().RunUntilIdle();
+  Mock::VerifyAndClearExpectations(http_server_props_manager_.get());
+
+  EXPECT_FALSE(HasAlternativeService(spdy_server_mail));
+}
+
 TEST_F(HttpServerPropertiesManagerTest, SupportsQuic) {
   ExpectPrefsUpdate();
   ExpectScheduleUpdatePrefsOnNetworkThread();
 
   IPAddressNumber address;
   EXPECT_FALSE(http_server_props_manager_->GetSupportsQuic(&address));
 
   IPAddressNumber actual_address;
   CHECK(ParseIPLiteralToNumber("127.0.0.1", &actual_address));
   http_server_props_manager_->SetSupportsQuic(true, actual_address);
@@ skipping 277 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