Keep only base/extractor.[cc|h].

third_party/lzma/v4_65/files/CPP/7zip/Common/LockedStream.h

Index: third_party/lzma/v4_65/files/CPP/7zip/Common/LockedStream.h
diff --git a/third_party/lzma/v4_65/files/CPP/7zip/Common/LockedStream.h b/third_party/lzma/v4_65/files/CPP/7zip/Common/LockedStream.h
deleted file mode 100644
index 486e4220bc3ca2f7b99d322e0cbe2bca178c4fbb..0000000000000000000000000000000000000000
--- a/third_party/lzma/v4_65/files/CPP/7zip/Common/LockedStream.h
+++ /dev/null
@@ -1,38 +0,0 @@
-// LockedStream.h
-
-#ifndef __LOCKEDSTREAM_H
-#define __LOCKEDSTREAM_H
-
-#include "../../Windows/Synchronization.h"
-#include "../../Common/MyCom.h"
-#include "../IStream.h"
-
-class CLockedInStream
-{
-  CMyComPtr<IInStream> _stream;
-  NWindows::NSynchronization::CCriticalSection _criticalSection;
-public:
-  void Init(IInStream *stream)
-    { _stream = stream; }
-  HRESULT Read(UInt64 startPos, void *data, UInt32 size, UInt32 *processedSize);
-};
-
-class CLockedSequentialInStreamImp:
-  public ISequentialInStream,
-  public CMyUnknownImp
-{
-  CLockedInStream *_lockedInStream;
-  UInt64 _pos;
-public:
-  void Init(CLockedInStream *lockedInStream, UInt64 startPos)
-  {
-    _lockedInStream = lockedInStream;
-    _pos = startPos;
-  }
-
-  MY_UNKNOWN_IMP
-
-  STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
-};
-
-#endif