Introduce ThreadTaskRunnerHandle::OverrideForTesting and TestMockTimeTaskRunner::ScopedContext.

net/http/http_server_properties_manager.h

 // 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.
 
 #ifndef NET_HTTP_HTTP_SERVER_PROPERTIES_MANAGER_H_
 #define NET_HTTP_HTTP_SERVER_PROPERTIES_MANAGER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 144 matching lines @@
   const ServerNetworkStatsMap& server_network_stats_map() const override;
   bool SetQuicServerInfo(const QuicServerId& server_id,
                          const std::string& server_info) override;
   const std::string* GetQuicServerInfo(const QuicServerId& server_id) override;
   const QuicServerInfoMap& quic_server_info_map() const override;
   size_t max_server_configs_stored_in_properties() const override;
   void SetMaxServerConfigsStoredInProperties(
       size_t max_server_configs_stored_in_properties) override;
   bool IsInitialized() const override;
 
+  static base::TimeDelta GetUpdateCacheDelayForTesting();
+  static base::TimeDelta GetUpdatePrefsDelayForTesting();
+
  protected:
   // The location where ScheduleUpdatePrefsOnNetworkThread was called.
   enum Location {
     SUPPORTS_SPDY = 0,
     HTTP_11_REQUIRED = 1,
     SET_ALTERNATIVE_SERVICES = 2,
     MARK_ALTERNATIVE_SERVICE_BROKEN = 3,
     MARK_ALTERNATIVE_SERVICE_RECENTLY_BROKEN = 4,
     CONFIRM_ALTERNATIVE_SERVICE = 5,
     CLEAR_ALTERNATIVE_SERVICE = 6,
@@ skipping 138 matching lines @@
   // Used to get |weak_ptr_| to self on the network thread.
   std::unique_ptr<base::WeakPtrFactory<HttpServerPropertiesManager>>
       network_weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpServerPropertiesManager);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_SERVER_PROPERTIES_MANAGER_H_