Bug 1210549 - Allow IServiceProvider::QueryService to work for proxied accessibles r=tbsaunde

accessible/windows/msaa/AccessibleWrap.cpp

@@ -123,7 +123,7 @@ AccessibleWrap::QueryInterface(REFIID iid, void** ppv)
       return E_NOINTERFACE;
 
     *ppv = static_cast<IEnumVARIANT*>(new ChildrenEnumVariant(this));
-  } else if (IID_IServiceProvider == iid && !IsProxy())
+  } else if (IID_IServiceProvider == iid)
     *ppv = new ServiceProvider(this);
   else if (IID_ISimpleDOMNode == iid && !IsProxy()) {
     if (IsDefunct() || (!HasOwnContent() && !IsDoc()))