Issue 6526 - Remove deprecated CreateDefaultPlatform()

src/JsEngine.cpp

Index: src/JsEngine.cpp
===================================================================
--- a/src/JsEngine.cpp
+++ b/src/JsEngine.cpp
@@ -42,28 +42,27 @@
 
   class V8Initializer
   {
     V8Initializer()
       : platform{nullptr}
     {
       std::string cmd = "--use_strict";
       v8::V8::SetFlagsFromString(cmd.c_str(), cmd.length());
-      platform = v8::platform::CreateDefaultPlatform();
-      v8::V8::InitializePlatform(platform);
+      platform = v8::platform::NewDefaultPlatform();
+      v8::V8::InitializePlatform(platform.get());
       v8::V8::Initialize();
     }
 
     ~V8Initializer()
     {
       v8::V8::Dispose();
       v8::V8::ShutdownPlatform();
-      delete platform;
     }
-    v8::Platform* platform;
+    std::unique_ptr<v8::Platform> platform;
   public:
     static void Init()
     {
       // it's threadsafe since C++11 and it will be instantiated only once and
       // destroyed at the application exit
       static V8Initializer initializer;
     }
   };