Move ThreadableLoader to Oilpan heap (1/3)

third_party/WebKit/Source/core/fileapi/FileReaderSync.cpp

 /*
  * Copyright (C) 2010 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 28 matching lines @@
 namespace blink {
 
 FileReaderSync::FileReaderSync()
 {
 }
 
 DOMArrayBuffer* FileReaderSync::readAsArrayBuffer(ExecutionContext* executionContext, Blob* blob, ExceptionState& exceptionState)
 {
     ASSERT(blob);
 
-    FileReaderLoader loader(FileReaderLoader::ReadAsArrayBuffer, nullptr);
-    startLoading(executionContext, loader, *blob, exceptionState);
+    std::unique_ptr<FileReaderLoader> loader = FileReaderLoader::create(FileReaderLoader::ReadAsArrayBuffer, nullptr);
+    startLoading(executionContext, *loader, *blob, exceptionState);
 
-    return loader.arrayBufferResult();
+    return loader->arrayBufferResult();
 }
 
 String FileReaderSync::readAsBinaryString(ExecutionContext* executionContext, Blob* blob, ExceptionState& exceptionState)
 {
     ASSERT(blob);
 
-    FileReaderLoader loader(FileReaderLoader::ReadAsBinaryString, 0);
-    startLoading(executionContext, loader, *blob, exceptionState);
-    return loader.stringResult();
+    std::unique_ptr<FileReaderLoader> loader = FileReaderLoader::create(FileReaderLoader::ReadAsBinaryString, nullptr);
+    startLoading(executionContext, *loader, *blob, exceptionState);
+    return loader->stringResult();
 }
 
 String FileReaderSync::readAsText(ExecutionContext* executionContext, Blob* blob, const String& encoding, ExceptionState& exceptionState)
 {
     ASSERT(blob);
 
-    FileReaderLoader loader(FileReaderLoader::ReadAsText, nullptr);
-    loader.setEncoding(encoding);
-    startLoading(executionContext, loader, *blob, exceptionState);
-    return loader.stringResult();
+    std::unique_ptr<FileReaderLoader> loader = FileReaderLoader::create(FileReaderLoader::ReadAsText, nullptr);
+    loader->setEncoding(encoding);
+    startLoading(executionContext, *loader, *blob, exceptionState);
+    return loader->stringResult();
 }
 
 String FileReaderSync::readAsDataURL(ExecutionContext* executionContext, Blob* blob, ExceptionState& exceptionState)
 {
     ASSERT(blob);
 
-    FileReaderLoader loader(FileReaderLoader::ReadAsDataURL, nullptr);
-    loader.setDataType(blob->type());
-    startLoading(executionContext, loader, *blob, exceptionState);
-    return loader.stringResult();
+    std::unique_ptr<FileReaderLoader> loader = FileReaderLoader::create(FileReaderLoader::ReadAsDataURL, nullptr);
+    loader->setDataType(blob->type());
+    startLoading(executionContext, *loader, *blob, exceptionState);
+    return loader->stringResult();
 }
 
 void FileReaderSync::startLoading(ExecutionContext* executionContext, FileReaderLoader& loader, const Blob& blob, ExceptionState& exceptionState)
 {
     loader.start(executionContext, blob.blobDataHandle());
     if (loader.errorCode())
         FileError::throwDOMException(exceptionState, loader.errorCode());
 }
 
 } // namespace blink