--- a/dom/src/threads/nsDOMWorkerThread.h
+++ b/dom/src/threads/nsDOMWorkerThread.h
@@ -112,16 +112,17 @@ NS_IMETHODIMP                           
 _class::GetClassIDNoAlloc(nsCID* _classIDNoAlloc)                             \
 {                                                                             \
   return NS_ERROR_NOT_AVAILABLE;                                              \
 }
 
 class nsDOMWorkerPool;
 class nsDOMWorkerScriptLoader;
 class nsDOMWorkerTimeout;
+class nsDOMWorkerXHR;
 
 class nsDOMWorkerThread : public nsDOMWorkerBase,
                           public nsIDOMWorkerThread,
                           public nsIClassInfo
 {
   friend class nsDOMCreateJSContextRunnable;
   friend class nsDOMWorkerFunctions;
   friend class nsDOMWorkerPool;

--- a/dom/src/threads/nsDOMWorkerXHRProxiedFunctions.h
+++ b/dom/src/threads/nsDOMWorkerXHRProxiedFunctions.h
@@ -238,11 +238,11 @@ namespace nsDOMWorkerProxiedXHRFunctions
   MAKE_PROXIED_FUNCTION1(SendAsBinary, const nsAString&);
 
   MAKE_PROXIED_FUNCTION2(SetRequestHeader, const nsACString&,
                          const nsACString&);
 
   MAKE_PROXIED_FUNCTION1(OverrideMimeType, const nsACString&);
 
   MAKE_PROXIED_FUNCTION1(SetMultipart, PRBool);
-};
+}
 
 #endif /* __NSDOMWORKERXHRPROXIEDFUNCTIONS_H__ */