Move ThreadableLoader to Oilpan heap (1/3)

third_party/WebKit/Source/core/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 149 matching lines @@
     m_pendingLoaders.add(loader);
 }
 
 void ImageBitmapFactories::didFinishLoading(ImageBitmapLoader* loader)
 {
     ASSERT(m_pendingLoaders.contains(loader));
     m_pendingLoaders.remove(loader);
 }
 
 ImageBitmapFactories::ImageBitmapLoader::ImageBitmapLoader(ImageBitmapFactories& factory, Optional<IntRect> cropRect, ScriptState* scriptState, const ImageBitmapOptions& options)
-    : m_loader(FileReaderLoader::ReadAsArrayBuffer, this)
+    : m_loader(FileReaderLoader::create(FileReaderLoader::ReadAsArrayBuffer, this))
     , m_factory(&factory)
     , m_resolver(ScriptPromiseResolver::create(scriptState))
     , m_cropRect(cropRect)
     , m_options(options)
 {
 }
 
 void ImageBitmapFactories::ImageBitmapLoader::loadBlobAsync(ExecutionContext* context, Blob* blob)
 {
-    m_loader.start(context, blob->blobDataHandle());
+    m_loader->start(context, blob->blobDataHandle());
 }
 
 DEFINE_TRACE(ImageBitmapFactories)
 {
     visitor->trace(m_pendingLoaders);
     Supplement<LocalDOMWindow>::trace(visitor);
     Supplement<WorkerGlobalScope>::trace(visitor);
 }
 
 void ImageBitmapFactories::ImageBitmapLoader::rejectPromise()
 {
     m_resolver->reject(DOMException::create(InvalidStateError, "The source image cannot be decoded."));
     m_factory->didFinishLoading(this);
 }
 
 void ImageBitmapFactories::ImageBitmapLoader::didFinishLoading()
 {
-    DOMArrayBuffer* arrayBuffer = m_loader.arrayBufferResult();
+    DOMArrayBuffer* arrayBuffer = m_loader->arrayBufferResult();
     if (!arrayBuffer) {
         rejectPromise();
         return;
     }
     scheduleAsyncImageBitmapDecoding(arrayBuffer);
 }
 
 void ImageBitmapFactories::ImageBitmapLoader::didFail(FileError::ErrorCode)
 {
     rejectPromise();
@@ skipping 53 matching lines @@
     m_factory->didFinishLoading(this);
 }
 
 DEFINE_TRACE(ImageBitmapFactories::ImageBitmapLoader)
 {
     visitor->trace(m_factory);
     visitor->trace(m_resolver);
 }
 
 } // namespace blink