[Re-land] Add network throttling as enterprise policy

chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc

Index: chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc
diff --git a/chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc b/chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc
index 0fefc22f34b9547d1019bfef504c86a1f880732b..51f42210821f9cb9f7957157a2c591bce1b8210e 100644
--- a/chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc
+++ b/chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc
@@ -332,6 +332,26 @@ void DecodeNetworkPolicies(const em::ChromeDeviceSettingsProto& policy,
     }
   }
 
+  if (policy.has_network_throttling()) {
+    const em::NetworkThrottlingEnabledProto& container(
+        policy.network_throttling());
+    std::unique_ptr<base::DictionaryValue> throttling_status(
+        new base::DictionaryValue());
+    bool enabled = (container.has_enabled()) ? container.enabled() : false;
+    uint32_t upload_rate_kbits =
+        (container.has_upload_rate_kbits()) ? container.upload_rate_kbits() : 0;
+    uint32_t download_rate_kbits = (container.has_download_rate_kbits())
+                                       ? container.download_rate_kbits()
+                                       : 0;
+
+    throttling_status->SetBoolean("enabled", enabled);
+    throttling_status->SetInteger("upload_rate_kbits", upload_rate_kbits);
+    throttling_status->SetInteger("download_rate_kbits", download_rate_kbits);
+    policies->Set(key::kNetworkThrottlingEnabled, POLICY_LEVEL_MANDATORY,
+                  POLICY_SCOPE_MACHINE, POLICY_SOURCE_CLOUD,
+                  std::move(throttling_status), nullptr);
+  }
+
   if (policy.has_open_network_configuration() &&
       policy.open_network_configuration().has_open_network_configuration()) {
     std::string config(