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 4a55622e577c684067c8e498f643e5499adb5ca9..e922129cb8deaa85ff7d933a8cf9feaa3163e42c 100644
--- a/fpdfsdk/src/fsdk_mgr.cpp
+++ b/fpdfsdk/src/fsdk_mgr.cpp
@@ -225,10 +225,8 @@ CPDFDoc_Environment::~CPDFDoc_Environment() {
   if (m_pJSRuntime && pProvider->GetRuntimeFactory())
     pProvider->GetRuntimeFactory()->DeleteJSRuntime(m_pJSRuntime);
 
-  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;