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

Source/core/fileapi/FileError.h

Index: Source/core/fileapi/FileError.h
diff --git a/Source/core/fileapi/FileError.h b/Source/core/fileapi/FileError.h
index 26dd392577eccbb61a6e4dd1a8fdd0f78ac368a9..8f9a8658e6c4386b85dbcc9c36fc3dbf59c2b971 100644
--- a/Source/core/fileapi/FileError.h
+++ b/Source/core/fileapi/FileError.h
@@ -33,6 +33,7 @@
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/dom/DOMError.h"
+#include "heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
@@ -70,7 +71,10 @@ public:
     static const char syntaxErrorMessage[];
     static const char typeMismatchErrorMessage[];
 
-    static PassRefPtr<FileError> create(ErrorCode code) { return adoptRef(new FileError(code)); }
+    static PassRefPtrWillBeRawPtr<FileError> create(ErrorCode code)
+    {
+        return adoptRefWillBeNoop(new FileError(code));
+    }
 
     ErrorCode code() const { return m_code; }