[Re-land] Add network throttling as enterprise policy

chrome/browser/chromeos/chrome_browser_main_chromeos.h

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.h
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.h b/chrome/browser/chromeos/chrome_browser_main_chromeos.h
index c6c85b10d959681d62c5a63e1321a595aec944a9..89fba571ac51db1c55afc3c2709d0afa351b553c 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.h
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.h
@@ -38,6 +38,7 @@ class RendererFreezer;
 class SessionManagerObserver;
 class SwapMetrics;
 class WakeOnWifiManager;
+class NetworkThrottlingObserver;
 
 namespace default_app_order {
 class ExternalLoader;
@@ -79,6 +80,7 @@ class ChromeBrowserMainPartsChromeos : public ChromeBrowserMainPartsLinux {
   std::unique_ptr<DataPromoNotification> data_promo_notification_;
   std::unique_ptr<RendererFreezer> renderer_freezer_;
   std::unique_ptr<WakeOnWifiManager> wake_on_wifi_manager_;
+  std::unique_ptr<NetworkThrottlingObserver> network_throttling_observer_;
 
   std::unique_ptr<internal::DBusServices> dbus_services_;