[dartium] Dart half of ScriptValue refactoring.

Source/bindings/dart/DartUtilities.h

 // Copyright 2011, 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 19 matching lines @@
 #ifndef DartUtilities_h
 #define DartUtilities_h
 
 #if OS(ANDROID)
 #include <sys/system_properties.h>
 #endif
 
 #include "DartWebkitClassIds.h"
 
 #include "bindings/common/Dictionary.h"
-#include "bindings/common/ScriptValue.h"
 #include "bindings/dart/DartDOMData.h"
+#include "bindings/dart/DartScriptValue.h"
 #include "bindings/dart/DartStringCache.h"
 #include "bindings/v8/ScriptPromise.h"
 #include "bindings/v8/SerializedScriptValue.h"
 #include "bindings/v8/V8RecursionScope.h"
 #include "core/dom/DOMStringList.h"
 #include "core/dom/MessagePort.h"
 #include "modules/mediastream/MediaStreamTrack.h"
 
 #include "wtf/ArrayBufferView.h"
 #include "wtf/HashMap.h"
@@ skipping 459 matching lines @@
     }
     // NOTE: consider revisiting this once situation w/ optional arguments checks
     // in dart:html is clearer.
     // The implementation below will convert null to undefined script value. Which
     // is exactly what is desired if actual value wasn't specified at call site,
     // but is most probably wrong if null was explicitly provided. On more positive
     // side indexed db are converted to Dart null anyway, so it might be tricky
     // to observe from user code.
     static ScriptValue dartToScriptValueWithNullCheck(Dart_Handle handle, Dart_Handle& exception)
     {
-        v8::Isolate* isolate = v8::Isolate::GetCurrent();
-        return Dart_IsNull(handle) ? ScriptValue(v8::Undefined(isolate), isolate) : dartToScriptValue(handle, exception);
+        return dartToScriptValue(handle, exception);
     }
     static ScriptValue dartToScriptValueWithNullCheck(Dart_NativeArguments args, int index, Dart_Handle& exception)
     {
         Dart_Handle object = Dart_GetNativeArgument(args, index);
         return dartToScriptValueWithNullCheck(object, exception);
     }
     static Dart_Handle scriptValueToDart(const ScriptValue&);
     static Dart_Handle scriptValueToDart(const ScriptPromise&);
 
     static PassRefPtr<SerializedScriptValue> dartToSerializedScriptValue(Dart_Handle, Dart_Handle& exception);
@@ skipping 202 matching lines @@
     timerStop = currentTimeMS();  \
     fprintf(stdout, "%s %.3f ms\n", msg, (timerStop - timerStart));
 #else
 #define DART_START_TIMER()
 #define DART_RECORD_TIMER(msg)
 #endif
 
 } // namespace WebCore
 
 #endif // DartUtilities_h