Bug 648223 - stop support of accessibility.disableenumvariant pref, r=davidb

accessible/src/msaa/nsAccessNodeWrap.cpp

@@ -67,7 +67,6 @@ LPFNLRESULTFROMOBJECT nsAccessNodeWrap::gmLresultFromObject = NULL;
 LPFNNOTIFYWINEVENT nsAccessNodeWrap::gmNotifyWinEvent = nsnull;
 LPFNGETGUITHREADINFO nsAccessNodeWrap::gmGetGUIThreadInfo = nsnull;
 
-PRBool nsAccessNodeWrap::gIsEnumVariantSupportDisabled = 0;
 // Used to determine whether an IAccessible2 compatible screen reader is loaded.
 PRBool nsAccessNodeWrap::gIsIA2Disabled = PR_FALSE;
 
@@ -597,11 +596,6 @@ __try {
  
 void nsAccessNodeWrap::InitAccessibility()
 {
-  nsCOMPtr<nsIPrefBranch> prefBranch(do_GetService(NS_PREFSERVICE_CONTRACTID));
-  if (prefBranch) {
-    prefBranch->GetBoolPref("accessibility.disableenumvariant", &gIsEnumVariantSupportDisabled);
-  }
-
   if (!gmUserLib) {
     gmUserLib =::LoadLibraryW(L"USER32.DLL");
   }

accessible/src/msaa/nsAccessNodeWrap.h

@@ -185,8 +185,6 @@ protected:
    */
   ISimpleDOMNode *MakeAccessNode(nsINode *aNode);
 
-    static PRBool gIsEnumVariantSupportDisabled;
-
     /**
      * Used to determine whether an IAccessible2 compatible screen reader is
      * loaded. Currently used for JAWS versions older than 8.0.2173.

accessible/src/msaa/nsAccessibleWrap.cpp

@@ -119,7 +119,7 @@ __try {
 
   if (IID_IUnknown == iid || IID_IDispatch == iid || IID_IAccessible == iid)
     *ppv = static_cast<IAccessible*>(this);
-  else if (IID_IEnumVARIANT == iid && !gIsEnumVariantSupportDisabled) {
+  else if (IID_IEnumVARIANT == iid) {
     long numChildren;
     get_accChildCount(&numChildren);
     if (numChildren > 0)  // Don't support this interface for leaf elements