Bug 284555 Menu text color remains -moz-menuhovertext when popup a dialog

r=aaronleventhal sr=roc

layout/xul/base/src/nsMenuBarFrame.cpp

@@ -670,7 +670,9 @@ nsMenuBarFrame::HideChain()
     mRecentRollupMenu = mCurrentMenu;
   }
 
-  SetActive(PR_FALSE);
+  if (mIsActive) {
+    ToggleMenuActiveState();
+  }
 
   return NS_OK;
 }