Revert "Preserve m_pDynamicObjsMap until FXJS_PerIsolateData is destroyed."

fpdfsdk/jsapi/fxjs_v8.cpp

Index: fpdfsdk/jsapi/fxjs_v8.cpp
diff --git a/fpdfsdk/jsapi/fxjs_v8.cpp b/fpdfsdk/jsapi/fxjs_v8.cpp
index adbdeb12e69f0db80c77c8e8040f10527ab5298f..473b54631842a3533ce0fa6d5bea4e29ba016c8a 100644
--- a/fpdfsdk/jsapi/fxjs_v8.cpp
+++ b/fpdfsdk/jsapi/fxjs_v8.cpp
@@ -371,6 +371,11 @@ void FXJS_ReleaseRuntime(v8::Isolate* pIsolate,
       v8::Local<v8::Context>::New(pIsolate, *pV8PersistentContext);
   v8::Context::Scope context_scope(context);
 
+  FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate);
+  if (!pData)
+    return;
+  pData->ReleaseDynamicObjsMap();
+
   int maxID = CFXJS_ObjDefinition::MaxID(pIsolate);
   for (int i = 0; i < maxID; ++i) {
     CFXJS_ObjDefinition* pObjDef = CFXJS_ObjDefinition::ForID(pIsolate, i);
@@ -397,12 +402,8 @@ void FXJS_ReleaseRuntime(v8::Isolate* pIsolate,
   for (int i = 0; i < maxID; ++i)
     delete CFXJS_ObjDefinition::ForID(pIsolate, i);
 
-  FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate);
-  if (pData) {
-    pData->ReleaseDynamicObjsMap();
-    pIsolate->SetData(g_embedderDataSlot, nullptr);
-    delete pData;
-  }
+  pIsolate->SetData(g_embedderDataSlot, nullptr);
+  delete pData;
 }
 
 IJS_Runtime* FXJS_GetRuntimeFromIsolate(v8::Isolate* pIsolate) {