viewer saves compatibility mode preference

webshell/tests/viewer/nsBrowserWindow.cpp

@@ -2126,6 +2126,7 @@ nsBrowserWindow::SetCompatibilityMode(PRBool aIsStandard)
   if (nsnull != mPrefs) { 
     int32 prefInt = (aIsStandard) ? eCompatibility_Standard : eCompatibility_NavQuirks;
     mPrefs->SetIntPref("nglayout.compatibility.mode", prefInt);
+    mPrefs->SavePrefFile();
   }
 }
 

webshell/tests/viewer/viewer.rc

@@ -83,7 +83,7 @@ VIEWER MENU DISCARDABLE
     MENUITEM SEPARATOR
     MENUITEM "Show Content Quality", VIEWER_SHOW_CONTENT_QUALITY
     MENUITEM SEPARATOR
-    POPUP "&Compatibility Mode"
+    POPUP "&Compatibility Mode Pref"
     {
       MENUITEM "Nav Quirks", VIEWER_NAV_QUIRKS_MODE
       MENUITEM "Standard", VIEWER_STANDARD_MODE