service worker: Implement NavigationPreloadManager.getState

content/browser/bad_message.h

Index: content/browser/bad_message.h
diff --git a/content/browser/bad_message.h b/content/browser/bad_message.h
index d236a73648ccd6bffbdb8097230274faac246fb2..030995a6adfc6141acc0eebd3760b32e97b7dcb0 100644
--- a/content/browser/bad_message.h
+++ b/content/browser/bad_message.h
@@ -169,6 +169,9 @@ enum BadMessageReason {
   SWDH_ENABLE_NAVIGATION_PRELOAD_BAD_REGISTRATION_ID = 145,
   RDH_TRANSFERRING_REQUEST_NOT_FOUND = 146,
   RDH_TRANSFERRING_NONNAVIGATIONAL_REQUEST = 147,
+  SWDH_GET_NAVIGATION_PRELOAD_STATE_NO_HOST = 148,
+  SWDH_GET_NAVIGATION_PRELOAD_STATE_INVALID_ORIGIN = 149,
+  SWDH_GET_NAVIGATION_PRELOAD_STATE_BAD_REGISTRATION_ID = 150,
 
   // Please add new elements here. The naming convention is abbreviated class
   // name (e.g. RenderFrameHost becomes RFH) plus a unique description of the