Implement THROTTLED priority semantics.

net/http/http_network_session.cc

 // Copyright (c) 2012 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_network_session.h"
 
 #include <utility>
 
 #include "base/atomic_sequence_num.h"
 #include "base/compiler_specific.h"
 #include "base/debug/stack_trace.h"
 #include "base/logging.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
-#include "net/base/network_throttle_manager.h"
+#include "net/base/network_throttle_manager_impl.h"
 #include "net/http/http_auth_handler_factory.h"
 #include "net/http/http_response_body_drainer.h"
 #include "net/http/http_stream_factory_impl.h"
 #include "net/http/url_security_manager.h"
 #include "net/proxy/proxy_service.h"
 #include "net/quic/chromium/quic_stream_factory.h"
 #include "net/quic/core/crypto/quic_random.h"
 #include "net/quic/core/quic_clock.h"
 #include "net/quic/core/quic_crypto_client_stream_factory.h"
 #include "net/quic/core/quic_protocol.h"
@@ skipping 168 matching lines @@
                          params.ssl_config_service,
                          params.http_server_properties,
                          params.transport_security_state,
                          params.enable_spdy_ping_based_connection_checking,
                          params.spdy_session_max_recv_window_size,
                          params.spdy_stream_max_recv_window_size,
                          params.time_func,
                          params.proxy_delegate),
       http_stream_factory_(new HttpStreamFactoryImpl(this, false)),
       http_stream_factory_for_websocket_(new HttpStreamFactoryImpl(this, true)),
-      network_stream_throttler_(NetworkThrottleManager::CreateThrottler()),
+      network_stream_throttler_(new NetworkThrottleManagerImpl()),
       params_(params) {
   DCHECK(proxy_service_);
   DCHECK(ssl_config_service_.get());
   CHECK(http_server_properties_);
 
   const std::string ssl_session_cache_shard =
       "http_network_session/" + base::IntToString(g_next_shard_id.GetNext());
   normal_socket_pool_manager_.reset(CreateSocketPoolManager(
       NORMAL_SOCKET_POOL, params, ssl_session_cache_shard));
   websocket_socket_pool_manager_.reset(CreateSocketPoolManager(
@@ skipping 193 matching lines @@
     case base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE:
       break;
     case base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE:
     case base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL:
       CloseIdleConnections();
       break;
   }
 }
 
 }  // namespace net