Remove use of a V8 isolate outside of bindings code in ImageBitmapFactories.cpp.

Source/modules/imagebitmap/ImageBitmapFactories.cpp

 /*
  * Copyright (c) 2013, 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 52 matching lines @@
     return IntSize();
 }
 
 static ScriptPromise fulfillImageBitmap(ExecutionContext* context, PassRefPtrWillBeRawPtr<ImageBitmap> imageBitmap)
 {
     RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(context);
     ScriptPromise promise = resolver->promise();
     if (imageBitmap) {
         resolver->resolve(imageBitmap);
     } else {
-        v8::Isolate* isolate = ScriptState::current()->isolate();
-        resolver->reject(ScriptValue(v8::Null(isolate), isolate));
+        resolver->reject(ScriptValue::createNull());
     }
     return promise;
 }
 
 ScriptPromise ImageBitmapFactories::createImageBitmap(EventTarget& eventTarget, HTMLImageElement* image, ExceptionState& exceptionState)
 {
     LayoutSize s = sizeFor(image);
     return createImageBitmap(eventTarget, image, 0, 0, s.width(), s.height(), exceptionState);
 }
 
@@ skipping 224 matching lines @@
 {
 }
 
 void ImageBitmapFactories::ImageBitmapLoader::loadBlobAsync(ExecutionContext* context, Blob* blob)
 {
     m_loader.start(context, blob->blobDataHandle());
 }
 
 void ImageBitmapFactories::ImageBitmapLoader::rejectPromise()
 {
-    v8::Isolate* isolate = m_scriptState->isolate();
     ScriptScope scope(m_scriptState);
-    m_resolver->reject(ScriptValue(v8::Null(isolate), isolate));
+    m_resolver->reject(ScriptValue::createNull());
     m_factory->didFinishLoading(this);
 }
 
 void ImageBitmapFactories::ImageBitmapLoader::didFinishLoading()
 {
     if (!m_loader.arrayBufferResult()) {
         rejectPromise();
         return;
     }
     RefPtr<SharedBuffer> sharedBuffer = SharedBuffer::create((char*)m_loader.arrayBufferResult()->data(), m_loader.arrayBufferResult()->byteLength());
@@ skipping 35 matching lines @@
         WillBeHeapSupplement<WorkerGlobalScope>::provideTo(object, ImageBitmapFactories::supplementName(), adoptPtrWillBeNoop(supplement));
     }
     return *supplement;
 }
 
 void WorkerGlobalScopeImageBitmapFactories::trace(Visitor*)
 {
 }
 
 } // namespace WebCore