Oilpan: move core/fileapi to oilpan's heap.

Source/bindings/v8/custom/V8FileCustom.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 72 matching lines @@
         properties.setDefaultLastModified();
     }
 
     OwnPtr<BlobData> blobData = BlobData::create();
     blobData->setContentType(properties.contentType());
     v8::Local<v8::Object> blobParts = v8::Local<v8::Object>::Cast(info[0]);
     if (!V8BlobCustomHelpers::processBlobParts(blobParts, length, properties.normalizeLineEndingsToNative(), *blobData, info.GetIsolate()))
         return;
 
     long long fileSize = blobData->length();
-    RefPtr<File> file = File::create(fileName, properties.lastModified(), BlobDataHandle::create(blobData.release(), fileSize));
+    RefPtrWillBeRawPtr<File> file = File::create(fileName, properties.lastModified(), BlobDataHandle::create(blobData.release(), fileSize));
     v8SetReturnValue(info, file.release());
 }
 
 void V8File::lastModifiedDateAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     // The auto-generated getters return null when the method in the underlying
     // implementation returns NaN. The File API says we should return the
     // current time when the last modification time is unknown.
     // Section 7.2 of the File API spec. http://dev.w3.org/2006/webapi/FileAPI/
 
@@ skipping 13 matching lines @@
     double lastModified = file->lastModifiedDate();
     if (!isValidFileTime(lastModified))
         lastModified = currentTimeMS();
 
     // lastModified returns a number, not a Date instance.
     // http://dev.w3.org/2006/webapi/FileAPI/#file-attrs
     v8SetReturnValue(info, floor(lastModified));
 }
 
 } // namespace WebCore