[Re-land] Add network throttling as enterprise policy

chromeos/dbus/fake_shill_manager_client.cc

Index: chromeos/dbus/fake_shill_manager_client.cc
diff --git a/chromeos/dbus/fake_shill_manager_client.cc b/chromeos/dbus/fake_shill_manager_client.cc
index 5be945b1685f54bdd228a944d5a7f6dadab4db1b..2f22a461b1e3586e25cccbcdddc4e8ef462635e9 100644
--- a/chromeos/dbus/fake_shill_manager_client.cc
+++ b/chromeos/dbus/fake_shill_manager_client.cc
@@ -586,6 +586,13 @@ void FakeShillManagerClient::SetBestServiceToConnect(
   best_service_ = service_path;
 }
 
+void FakeShillManagerClient::SetNetworkThrottlingStatus(
+    bool enabled,
+    uint32_t upload_rate_kbits,
+    uint32_t download_rate_kbits,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {}
+
 void FakeShillManagerClient::SetupDefaultEnvironment() {
   // Bail out from setup if there is no message loop. This will be the common
   // case for tests that are not testing Shill.