Make code compile with clang_use_chrome_plugin (part IV)

fpdfsdk/javascript/cjs_runtime.cpp

Index: fpdfsdk/javascript/cjs_runtime.cpp
diff --git a/fpdfsdk/javascript/cjs_runtime.cpp b/fpdfsdk/javascript/cjs_runtime.cpp
index 020472e5848809a608f3a90c8ff2b7d9d996ee3e..2bcdc2293b857fb7f7717546c7393182dc0137be 100644
--- a/fpdfsdk/javascript/cjs_runtime.cpp
+++ b/fpdfsdk/javascript/cjs_runtime.cpp
@@ -210,6 +210,10 @@ void CJS_Runtime::SetReaderDocument(CPDFSDK_Document* pReaderDoc) {
   }
 }
 
+CPDFSDK_Document* CJS_Runtime::GetReaderDocument() {
+  return m_pDocument;
+}
+
 int CJS_Runtime::Execute(const CFX_WideString& script, CFX_WideString* info) {
   FXJSErr error = {};
   int nRet = FXJS_Execute(m_isolate, script, &error);