3 files changed, 10 insertions, 5 deletions
diff --git a/fxjs/cjs_runtime.cpp b/fxjs/cjs_runtime.cpp
index c8e95e16e5..919c5a9b66 100644
--- a/fxjs/cjs_runtime.cpp
+++ b/fxjs/cjs_runtime.cpp
@@ -57,8 +57,9 @@ void IJS_Runtime::Destroy() {
 }
 
 // static
-IJS_Runtime* IJS_Runtime::Create(CPDFSDK_FormFillEnvironment* pFormFillEnv) {
-  return new CJS_Runtime(pFormFillEnv);
+std::unique_ptr<IJS_Runtime> IJS_Runtime::Create(
+    CPDFSDK_FormFillEnvironment* pFormFillEnv) {
+  return pdfium::MakeUnique<CJS_Runtime>(pFormFillEnv);
 }
 
 // static
diff --git a/fxjs/cjs_runtimestub.cpp b/fxjs/cjs_runtimestub.cpp
index 919672832d..964b0ff9d6 100644
--- a/fxjs/cjs_runtimestub.cpp
+++ b/fxjs/cjs_runtimestub.cpp
@@ -55,6 +55,7 @@ void IJS_Runtime::Initialize(unsigned int slot, void* isolate) {}
 void IJS_Runtime::Destroy() {}
 
 // static
-IJS_Runtime* IJS_Runtime::Create(CPDFSDK_FormFillEnvironment* pFormFillEnv) {
-  return new CJS_RuntimeStub(pFormFillEnv);
+std::unique_ptr<IJS_Runtime> IJS_Runtime::Create(
+    CPDFSDK_FormFillEnvironment* pFormFillEnv) {
+  return pdfium::MakeUnique<CJS_RuntimeStub>(pFormFillEnv);
 }
diff --git a/fxjs/ijs_runtime.h b/fxjs/ijs_runtime.h
index e649aada0c..9fe5d2fed8 100644
--- a/fxjs/ijs_runtime.h
+++ b/fxjs/ijs_runtime.h
@@ -7,6 +7,8 @@
 #ifndef FXJS_IJS_RUNTIME_H_
 #define FXJS_IJS_RUNTIME_H_
 
+#include <memory>
+
 #include "core/fxcrt/fx_string.h"
 #include "core/fxcrt/fx_system.h"
 
@@ -22,7 +24,8 @@ class IJS_Runtime {
  public:
   static void Initialize(unsigned int slot, void* isolate);
   static void Destroy();
-  static IJS_Runtime* Create(CPDFSDK_FormFillEnvironment* pFormFillEnv);
+  static std::unique_ptr<IJS_Runtime> Create(
+      CPDFSDK_FormFillEnvironment* pFormFillEnv);
   virtual ~IJS_Runtime() {}
 
   virtual IJS_EventContext* NewEventContext() = 0;