[Re-land] Add network throttling as enterprise policy

chromeos/network/network_state_handler.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 "chromeos/network/network_state_handler.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/format_macros.h"
 #include "base/guid.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/json/json_writer.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
+#include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "chromeos/network/device_state.h"
 #include "chromeos/network/network_event_log.h"
 #include "chromeos/network/network_state.h"
 #include "chromeos/network/network_state_handler_observer.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace chromeos {
@@ skipping 347 matching lines @@
     const std::string& check_portal_list) {
   NET_LOG_EVENT("SetCheckPortalList", check_portal_list);
   shill_property_handler_->SetCheckPortalList(check_portal_list);
 }
 
 void NetworkStateHandler::SetWakeOnLanEnabled(bool enabled) {
   NET_LOG_EVENT("SetWakeOnLanEnabled", enabled ? "true" : "false");
   shill_property_handler_->SetWakeOnLanEnabled(enabled);
 }
 
+void NetworkStateHandler::SetNetworkThrottlingStatus(
+    bool enabled,
+    uint32_t upload_rate_kbits,
+    uint32_t download_rate_kbits) {
+  NET_LOG_EVENT("SetNetworkThrottlingStatus",
+                enabled ? ("true :" + base::IntToString(upload_rate_kbits) +
+                           ", " + base::IntToString(download_rate_kbits))
+                        : "false");
+  shill_property_handler_->SetNetworkThrottlingStatus(
+      enabled, upload_rate_kbits, download_rate_kbits);
+}
+
 const NetworkState* NetworkStateHandler::GetEAPForEthernet(
     const std::string& service_path) {
   const NetworkState* network = GetNetworkState(service_path);
   if (!network) {
     NET_LOG_ERROR("GetEAPForEthernet", "Unknown service path " + service_path);
     return nullptr;
   }
   if (network->type() != shill::kTypeEthernet) {
     NET_LOG_ERROR("GetEAPForEthernet", "Not of type Ethernet: " + service_path);
     return nullptr;
@@ skipping 589 matching lines @@
   if (type.MatchesType(shill::kTypeBluetooth))
     technologies.emplace_back(shill::kTypeBluetooth);
   if (type.MatchesType(shill::kTypeVPN))
     technologies.emplace_back(shill::kTypeVPN);
 
   CHECK_GT(technologies.size(), 0ul);
   return technologies;
 }
 
 }  // namespace chromeos