Move ThreadableLoader to Oilpan heap (1/3)

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

Index: third_party/WebKit/Source/core/fileapi/FileReaderSync.cpp
diff --git a/third_party/WebKit/Source/core/fileapi/FileReaderSync.cpp b/third_party/WebKit/Source/core/fileapi/FileReaderSync.cpp
index 09aaa19cdb19a6c438a3286ef119d89e9c33cba0..efee518953703589917f6b8480182c82f5a6f31c 100644
--- a/third_party/WebKit/Source/core/fileapi/FileReaderSync.cpp
+++ b/third_party/WebKit/Source/core/fileapi/FileReaderSync.cpp
@@ -46,39 +46,39 @@ DOMArrayBuffer* FileReaderSync::readAsArrayBuffer(ExecutionContext* executionCon
 {
     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)