Add methods for creating V8 extras-based ReadableStreams from C++

third_party/WebKit/Source/bindings/core/v8/ScriptValue.h

 /*
  * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 27 matching lines @@
 #include "wtf/Allocator.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/WTFString.h"
 #include <v8.h>
 
 namespace blink {
 
 class CORE_EXPORT ScriptValue final {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 public:
+    // Defined in ToV8.h due to circular dependency
     template<typename T>
-    static ScriptValue from(ScriptState* scriptState, T value)
-    {
-        return ScriptValue(scriptState, toV8(value, scriptState->context()->Global(), scriptState->isolate()));
-    }
+    static ScriptValue from(ScriptState*, T&& value);
 
     template<typename T, typename... Arguments>
     static inline T to(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState, Arguments const&... arguments)
     {
         return NativeValueTraits<T>::nativeValue(isolate, value, exceptionState, arguments...);
     }
 
     template<typename T, typename... Arguments>
     static inline T to(v8::Isolate* isolate, const ScriptValue& value, ExceptionState& exceptionState, Arguments const&... arguments)
     {
@@ skipping 121 matching lines @@
     static ScriptValue createNull(ScriptState*);
 
 private:
     RefPtr<ScriptState> m_scriptState;
     RefPtr<SharedPersistent<v8::Value>> m_value;
 };
 
 } // namespace blink
 
 #endif // ScriptValue_h