XFA: contention between FXJSE and FXJS over isolate data slots

fpdfsdk/src/fsdk_mgr.cpp

Index: fpdfsdk/src/fsdk_mgr.cpp
diff --git a/fpdfsdk/src/fsdk_mgr.cpp b/fpdfsdk/src/fsdk_mgr.cpp
index a3e77e45148c83e37ede9f4a348d8394cce97fe9..346dacce59c054e0ad26a1827754c72001e86bc3 100644
--- a/fpdfsdk/src/fsdk_mgr.cpp
+++ b/fpdfsdk/src/fsdk_mgr.cpp
@@ -222,10 +222,8 @@ CPDFDoc_Environment::~CPDFDoc_Environment() {
   m_pIFormFiller = NULL;
 
   CPDFXFA_App* pProvider = CPDFXFA_App::GetInstance();
-  if (pProvider->m_pEnvList.GetSize() == 0) {
-    pProvider->ReleaseRuntime();
-    pProvider->InitRuntime(TRUE);
-  }
+  if (pProvider->m_pEnvList.GetSize() == 0)
+    pProvider->SetJavaScriptInitialized(FALSE);
 
   delete m_pSysHandler;
   m_pSysHandler = NULL;