Oilpan: move ImageBitmap to the oilpan heap.

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 45 matching lines @@
     return IntSize();
 }
 
 static IntSize sizeFor(HTMLVideoElement* video)
 {
     if (MediaPlayer* player = video->player())
         return player->naturalSize();
     return IntSize();
 }
 
-static ScriptPromise fulfillImageBitmap(ExecutionContext* context, PassRefPtr<ImageBitmap> imageBitmap)
+static ScriptPromise fulfillImageBitmap(ExecutionContext* context, PassRefPtrWillBeRawPtr<ImageBitmap> imageBitmap)
 {
     ScriptPromise promise = ScriptPromise::createPending(context);
     RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(promise, context);
     resolver->resolve(imageBitmap);
     return promise;
 }
 
 ScriptPromise ImageBitmapFactories::createImageBitmap(EventTarget& eventTarget, HTMLImageElement* image, ExceptionState& exceptionState)
 {
     LayoutSize s = sizeFor(image);
@@ skipping 259 matching lines @@
     RefPtr<Image> image = BitmapImage::create(imageSkia);
     if (!image->width() || !image->height()) {
         rejectPromise();
         return;
     }
     if (!m_cropRect.width() && !m_cropRect.height()) {
         // No cropping variant was called.
         m_cropRect = IntRect(IntPoint(), image->size());
     }
 
-    RefPtr<ImageBitmap> imageBitmap = ImageBitmap::create(image.get(), m_cropRect);
+    RefPtrWillBeRawPtr<ImageBitmap> imageBitmap = ImageBitmap::create(image.get(), m_cropRect);
     ScriptScope scope(m_scriptState);
     m_resolver->resolve(imageBitmap.release());
     m_factory->didFinishLoading(this);
 }
 
 void ImageBitmapFactories::ImageBitmapLoader::didFail(FileError::ErrorCode)
 {
     rejectPromise();
 }
 
 } // namespace WebCore