Revert of Oilpan: Prepare to make ExecutionContext GarbageCollectedMixin.

Source/modules/filesystem/LocalFileSystem.h

 /*
  * 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 53 matching lines @@
     {
         WillBeHeapSupplement<Page>::trace(visitor);
         WillBeHeapSupplement<WorkerClients>::trace(visitor);
     }
 
 protected:
     explicit LocalFileSystem(PassOwnPtr<FileSystemClient>);
 
 private:
     void requestFileSystemAccessInternal(ExecutionContext*, const Closure& allowed, const Closure& denied);
-    void fileSystemNotAllowedInternal(PassRefPtrWillBeRawPtr<ExecutionContext>, PassRefPtr<CallbackWrapper>);
-    void fileSystemAllowedInternal(PassRefPtrWillBeRawPtr<ExecutionContext>, FileSystemType, PassRefPtr<CallbackWrapper>);
+    void fileSystemNotAllowedInternal(PassRefPtr<ExecutionContext>, PassRefPtr<CallbackWrapper>);
+    void fileSystemAllowedInternal(PassRefPtr<ExecutionContext>, FileSystemType, PassRefPtr<CallbackWrapper>);
     void resolveURLInternal(const KURL&, PassRefPtr<CallbackWrapper>);
-    void deleteFileSystemInternal(PassRefPtrWillBeRawPtr<ExecutionContext>, FileSystemType, PassRefPtr<CallbackWrapper>);
+    void deleteFileSystemInternal(PassRefPtr<ExecutionContext>, FileSystemType, PassRefPtr<CallbackWrapper>);
     OwnPtr<FileSystemClient> m_client;
 };
 
 } // namespace WebCore
 
 #endif // LocalFileSystem_h