Push v8::Isolate into CFXJS_Engine class

fpdfsdk/javascript/cjs_context.cpp

Index: fpdfsdk/javascript/cjs_context.cpp
diff --git a/fpdfsdk/javascript/cjs_context.cpp b/fpdfsdk/javascript/cjs_context.cpp
index 06abf7f48d27db5c49a576bc6bcac6e3d25855a8..c37fdab738a0ff2dbf8e19e69c547de35151b09b 100644
--- a/fpdfsdk/javascript/cjs_context.cpp
+++ b/fpdfsdk/javascript/cjs_context.cpp
@@ -29,7 +29,7 @@ FX_BOOL CJS_Context::RunScript(const CFX_WideString& script,
                                CFX_WideString* info) {
   v8::Isolate::Scope isolate_scope(m_pRuntime->GetIsolate());
   v8::HandleScope handle_scope(m_pRuntime->GetIsolate());
-  v8::Local<v8::Context> context = m_pRuntime->NewJSContext();
+  v8::Local<v8::Context> context = m_pRuntime->NewLocalContext();
   v8::Context::Scope context_scope(context);
 
   if (m_bBusy) {
@@ -49,7 +49,7 @@ FX_BOOL CJS_Context::RunScript(const CFX_WideString& script,
   CFX_WideString sErrorMessage;
   int nRet = 0;
   if (script.GetLength() > 0) {
-    nRet = m_pRuntime->Execute(script.c_str(), &sErrorMessage);
+    nRet = m_pRuntime->ExecuteScript(script.c_str(), &sErrorMessage);
   }
 
   if (nRet < 0) {