Add network throttling as an enterprise policy

chromeos/network/shill_property_handler.h

Index: chromeos/network/shill_property_handler.h
diff --git a/chromeos/network/shill_property_handler.h b/chromeos/network/shill_property_handler.h
index fd299b533185b3c12942225a5c9f05f949eed045..8d7e63ebeddc5d4303b904cddb10a68da0393bef 100644
--- a/chromeos/network/shill_property_handler.h
+++ b/chromeos/network/shill_property_handler.h
@@ -7,6 +7,7 @@
 
 #include <list>
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 #include <vector>
@@ -139,6 +140,12 @@ class CHROMEOS_EXPORT ShillPropertyHandler
   // only set it.
   void SetWakeOnLanEnabled(bool enabled);
 
+  // Wrapper over ShillManagerClient's SetNetworkThrottlingStatus
+  // We do not track/observe this, only set it.
+  void SetNetworkThrottlingStatus(bool enabled,
+                                  uint32_t upload_rate_kbits,
+                                  uint32_t download_rate_kbits);
+
   // Requests an immediate network scan.
   void RequestScan() const;