Expose performance.memory in workers

Source/core/workers/WorkerSettings.h

Index: Source/core/workers/WorkerSettings.h
diff --git a/Source/modules/filesystem/DataTransferItemFileSystem.h b/Source/core/workers/WorkerSettings.h
similarity index 73%
copy from Source/modules/filesystem/DataTransferItemFileSystem.h
copy to Source/core/workers/WorkerSettings.h
index 42f9d686f2db879e5a7982e964fb78cc9825322d..f9b0d6b17132cf278ba3c4666f2a656ac8905525 100644
--- a/Source/modules/filesystem/DataTransferItemFileSystem.h
+++ b/Source/core/workers/WorkerSettings.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ * Copyright (C) 2014 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -28,26 +28,25 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef DataTransferItemFileSystem_h
-#define DataTransferItemFileSystem_h
-
-#include "wtf/PassRefPtr.h"
+#ifndef WorkerSettings_h
+#define WorkerSettings_h
 
 namespace WebCore {
 
-class DataTransferItem;
-class Entry;
-class ExecutionContext;
-
-class DataTransferItemFileSystem {
+class WorkerSettings {
+    WTF_MAKE_NONCOPYABLE(WorkerSettings); WTF_MAKE_FAST_ALLOCATED;
 public:
-    static PassRefPtr<Entry> webkitGetAsEntry(ExecutionContext*, DataTransferItem&);
+    static PassOwnPtr<WorkerSettings> create() { return adoptPtr(new WorkerSettings); }
+
+    void setMemoryInfoEnabled(bool memoryInfoEnabled) { m_memoryInfoEnabled = memoryInfoEnabled; }
+    bool memoryInfoEnabled() const { return m_memoryInfoEnabled; }
 
 private:
-    DataTransferItemFileSystem();
-    ~DataTransferItemFileSystem();
+    WorkerSettings() : m_memoryInfoEnabled(false) { }
+
+    bool m_memoryInfoEnabled;
 };
 
 } // namespace WebCore
 
-#endif // DataTransferItemFileSystem_h
+#endif // WorkerSettings_h