[Re-land] Add network throttling as enterprise policy

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 69e31c30fd3819448abdbd9472a7359a42ca042d..6707c54e9d3fec366e79e4d360cd78b43d436d93 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -1389,6 +1389,13 @@ const char kTaskManagerColumnVisibility[] = "task_manager.column_visibility";
 // A boolean indicating if ending processes are enabled or disabled by policy.
 const char kTaskManagerEndProcessEnabled[] = "task_manager.end_process_enabled";
 
+#if defined(OS_CHROMEOS)
+// Dictionary indicating current network bandwidth throttling settings.
+// Contains a boolean (is throttling enabled) and two integers (upload rate
+// and download rate in kbits/s to throttle to)
+const char kNetworkThrottlingEnabled[] = "net.throttling_enabled";
+#endif
+
 // A collection of position, size, and other data relating to app windows to
 // restore on startup.
 const char kAppWindowPlacement[] = "browser.app_window_placement";